diff --git a/.gitignore b/.gitignore
index 3ff4fada..287ebdb2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 
 # Ignore environemnt variables
 .env
+cassete/*.yml
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..7a73a41b
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,2 @@
+{
+}
\ No newline at end of file
diff --git a/lib/channel.rb b/lib/channel.rb
new file mode 100644
index 00000000..aae48224
--- /dev/null
+++ b/lib/channel.rb
@@ -0,0 +1,39 @@
+require_relative 'recipient'
+require 'httparty'
+require 'dotenv'
+
+Dotenv.load
+
+module SlackCli
+
+  class Channel < Recipient
+
+    attr_reader :slack_id, :name, :topic, :member_count
+
+    def initialize (slack_id:, name:, topic:, member_count:)
+        super(slack_id, name)
+        @topic = topic
+        @member_count = member_count
+    end
+    
+    def details
+        return [{"slack_id" => slack_id,"name" => name,"topic" => topic, "member_count" => member_count }]
+    end
+
+    def self.create_a_channel(channel_name)
+        url = "https://slack.com/api/channels.create"
+        param = {token: ENV["SLACK_BOT_TOKEN"],name: channel_name}
+        new_channel = HTTParty.post(url, query: param)
+        return new_channel.code
+    end
+
+    def self.list_all
+        url = "https://slack.com/api/conversations.list"
+        param = {token: ENV["SLACK_BOT_TOKEN"]}
+        result = self.get(url, param)
+        channel_list = result["channels"].map { |channel| SlackCli::Channel.new(slack_id: channel["id"], name: channel["name"], topic: channel["topic"]["value"], member_count: channel["num_members"]) }
+        return channel_list
+    end
+
+  end
+end
\ No newline at end of file
diff --git a/lib/recipient.rb b/lib/recipient.rb
new file mode 100644
index 00000000..67a70f5c
--- /dev/null
+++ b/lib/recipient.rb
@@ -0,0 +1,41 @@
+
+module SlackCli
+
+    class Recipient
+
+        attr_accessor :slack_id, :name
+
+        def initialize (slack_id, name)
+            @slack_id = slack_id
+            @name = name
+        end
+
+        def send_message(message)
+            url = "https://slack.com/api/chat.postMessage"
+            recipient = self.slack_id 
+            token = ENV["SLACK_BOT_TOKEN"]
+            message = HTTParty.post(url, query: {token: token, channel: recipient, text: message})
+            return message["ok"] && message.code
+        end
+
+        def self.get(url, params)
+            return HTTParty.get(url, query: params)
+        end
+
+        def self.list_all
+            raise SlackAPIError, "implement in user or channel"
+        end
+
+        def details
+            raise SlackAPIError, "implement in user or channel"
+        end
+
+    end
+
+    
+    class SlackAPIError < StandardError
+    end
+
+
+end
+
diff --git a/lib/slack.rb b/lib/slack.rb
index 8a0b659b..17d13a26 100755
--- a/lib/slack.rb
+++ b/lib/slack.rb
@@ -1,12 +1,78 @@
 #!/usr/bin/env ruby
+require 'httparty'
+require 'dotenv'
+require_relative 'workspace'
+require 'table_print'
+
+Dotenv.load
 
 def main
+  workspace = SlackCli::Workspace.new(users: SlackCli::User.list_all,channels: SlackCli::Channel.list_all,selected: nil)
   puts "Welcome to the Ada Slack CLI!"
-  workspace = Workspace.new
-
-  # TODO project
+  option = ' ' 
+  while option != "quit"
+    puts "What would you like to do?"
+    puts "options: list channels? list users? select user? select channel? list details? send message? quit?" 
+    option = gets.chomp
+    unless option == "list channels" || option == "list users" || option == "select user" || option == "select channel" || option == "list details" || option == "send message" || option == "quit"
+      puts "wrong input! try again!"
+      puts "What would you like to do next?"
+      puts "options: list channels? list users? select user? select channel? list details? send message? quit?"
+      option = gets.chomp
+    end
 
-  puts "Thank you for using the Ada Slack CLI"
+      case  option 
+      when "list channels"
+        puts ''
+        tp workspace.channels.map{|channel| channel.details}, "slack_id", "name", "topic", "member_count" 
+        puts ''
+      when "list users"
+        tp workspace.users.map{|user| user.details}, "slack_id", "name", "real_name", "status_text" ,"status_emoji" 
+      when "select user"
+        workspace.select_user
+      when "select channel"
+        workspace.select_channel
+      when "send message"
+        workspace.send_message
+      when "list details"
+        if workspace.selected == nil || workspace.selected == ''
+          puts "no previously selected user or channel!"
+          puts "would you like to select a user or a channel? q to return to previous menu!"
+          selection = gets.chomp
+          if 
+            selection == "q"
+            main
+          elsif
+            selection == "user"
+            workspace.select_user
+            puts "here are the details of user #{workspace.selected.name}"
+            workspace.show_details
+          elsif  selection == "channel"
+            workspace.select_channel
+            puts "here are the details of channel #{workspace.selected.name}"
+            workspace.show_details
+          else 
+            puts "wrong input! try again"
+            main
+          end
+        else 
+          if
+            selection == "user"
+              puts "here are the details of user #{workspace.selected.name}"
+              workspace.show_details
+            elsif  selection == "channel"
+              puts "here are the details of channel #{workspace.selected.name}"
+              workspace.show_details
+            else 
+              puts "wrong input! try again"
+              main
+          end
+        end
+      when "quit"
+        puts "Thank you for using the Ada Slack CLI"
+      end
+    end
 end
 
+
 main if __FILE__ == $PROGRAM_NAME
\ No newline at end of file
diff --git a/lib/user.rb b/lib/user.rb
new file mode 100644
index 00000000..9db0cdee
--- /dev/null
+++ b/lib/user.rb
@@ -0,0 +1,29 @@
+require_relative 'recipient'
+
+module SlackCli
+
+    class User < Recipient
+
+        attr_reader :slack_id, :name, :real_name, :status_text, :status_emoji
+
+        def initialize(slack_id:, name:, real_name:, status_text:, status_emoji: nil)
+            super(slack_id, name)
+            @real_name = real_name
+            @status_text = status_text
+            @status_emoji = nil
+        end
+
+        def details
+            return [{"slack_id" => slack_id,"name" => name ,"real_name" => real_name, "status_text" => status_text, "status_emoji" => status_emoji }]
+        end
+
+        def self.list_all
+            url = "https://slack.com/api/users.list"
+            param = {token: ENV["SLACK_BOT_TOKEN"]}
+            result = self.get(url, param)
+            user_list = result["members"].map { |user| SlackCli::User.new(slack_id: user["id"], name: user["name"], real_name: user["real_name"], status_text: user["status_text"], status_emoji: user["status_emoji"]) }
+            return user_list
+        end
+
+    end
+end
diff --git a/lib/workspace.rb b/lib/workspace.rb
new file mode 100644
index 00000000..f9bef0da
--- /dev/null
+++ b/lib/workspace.rb
@@ -0,0 +1,108 @@
+require_relative 'channel'
+require_relative 'user'
+require 'table_print'
+require 'json'
+
+
+module SlackCli
+
+    class Workspace 
+
+        attr_reader :users, :channels
+        attr_accessor :selected
+
+        def initialize(users:,channels:,selected:)
+            @users = SlackCli::User.list_all
+            @channels = SlackCli::Channel.list_all
+            @selected = nil
+        end
+
+        def select_channel
+            puts "here's a list of all channels available!"
+            tp self.channels.map{|channel| channel}, "slack_id","name"
+            puts "which channel would you like to select? or q to return to the previous menu!"
+            selected_cli = gets.chomp
+            if selected_cli == "q"
+                main
+            else 
+                selection = find_id_or_name(channels,selected_cli)
+                if selection == true
+                    puts "you selected #{selected.name}"
+                else 
+                    puts "#{selected_cli} is not a valid user! try again!"
+                    select_channel
+                end
+            end
+        end
+
+        def select_user
+            puts "here's a list of all users available!"
+            tp self.users.map{|user| user}, "slack_id","name"
+            puts "which user would you like to select? or q to return to the previous menu!"
+            selected_cli = gets.chomp
+            if selected_cli == "q"
+                main
+            else 
+                selection = find_id_or_name(users,selected_cli)
+                if selection == true
+                puts "you selected #{selected.name}"
+                else 
+                    puts "#{selected_cli} is not a valid user! try again!"
+                    select_user
+                end
+            end
+        end
+
+        def find_id_or_name(items,string)
+            items.each do |item|
+                if item.slack_id.include?(string.upcase) || item.name.include?(string.downcase)
+                    @selected = item
+                    return true
+                end
+            end 
+            return false
+        end
+
+        def show_details
+            tp selected.details
+            return selected.details
+        end
+
+        def send_message
+            if @selected != nil
+                puts "would you like to send a message to the previously selected user/channel? type previous to continue or type q to return to the previous menu"
+                puts "or would you like to select a new user/channel?"
+                selection = gets.chomp
+                if selection == "q"
+                    return
+                elsif selection == "user"
+                    select_user
+                elsif selection == "channel"
+                    select_channel
+                elsif selection == "previous"
+                    puts "you'll be sending a message to #{selected.name}"
+                else 
+                    puts "wrong input! try again!"
+                end
+            else
+                puts "would you like to send a message to a user or a channel?"
+                selection = gets.chomp
+                if selection == "user"
+                    select_user
+                elsif selection == "channel"
+                    select_channel
+                else 
+                    puts "wrong input! try again!"
+                end
+            end
+
+            puts "Type a message you'd like to send to #{selected.name}? or type q to return to the previous menu"
+            message = gets.chomp
+            if message == "q" || message == " "
+                return
+            else
+                selected.send_message(message)
+            end
+        end
+    end
+end 
\ No newline at end of file
diff --git a/test/cassettes/initialize.yml b/test/cassettes/initialize.yml
new file mode 100644
index 00000000..43f30a6b
--- /dev/null
+++ b/test/cassettes/initialize.yml
@@ -0,0 +1,345 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://slack.com/api/users.list?token=SLACK_BOT_TOKEN
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '2100'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:07 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - 53cf6059622c117950d7d991c62824e7
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - users:read
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts, x-b3-traceid, x-b3-spanid, x-b3-parentspanid,
+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-fzpb
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 c9cb74549b807d498500f04e1d4b8c7d.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - 41du2TVrgQkrQFMfpmjyP_sArIwIgflqegVeZipi5TFCM657KX4k7w==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"members":[{"id":"USLACKBOT","team_id":"TV6AN59D3","name":"slackbot","deleted":false,"color":"757575","real_name":"Slackbot","tz":null,"tz_label":"Pacific
+        Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Slackbot","real_name_normalized":"Slackbot","display_name":"Slackbot","display_name_normalized":"Slackbot","fields":null,"status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"sv41d8cd98f0","always_active":true,"first_name":"slackbot","last_name":"","image_24":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_24.png","image_32":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_32.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_72.png","image_192":"https:\/\/a.slack-edge.com\/80588\/marketing\/img\/avatars\/slackbot\/avatar-slackbot.png","image_512":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_512.png","status_text_canonical":"","team":"TV6AN59D3"},"is_admin":false,"is_owner":false,"is_primary_owner":false,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":0},{"id":"UUTJ4SJ74","team_id":"TV6AN59D3","name":"coapp","deleted":false,"color":"e0a729","real_name":"coapp","tz":"America\/Los_Angeles","tz_label":"Pacific
+        Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"coapp","real_name_normalized":"coapp","display_name":"","display_name_normalized":"","status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"g9834be47962","api_app_id":"AV872DJF9","always_active":false,"bot_id":"BUUTK5P1R","image_24":"https:\/\/secure.gravatar.com\/avatar\/9834be479621e684435385d06a68fab4.jpg?s=24&d=https%3A%2F%2Fa.slack-edge.com%2Fdf10d%2Fimg%2Favatars%2Fava_0010-24.png","image_32":"https:\/\/secure.gravatar.com\/avatar\/9834be479621e684435385d06a68fab4.jpg?s=32&d=https%3A%2F%2Fa.slack-edge.com%2Fdf10d%2Fimg%2Favatars%2Fava_0010-32.png","image_48":"https:\/\/secure.gravatar.com\/avatar\/9834be479621e684435385d06a68fab4.jpg?s=48&d=https%3A%2F%2Fa.slack-edge.com%2Fdf10d%2Fimg%2Favatars%2Fava_0010-48.png","image_72":"https:\/\/secure.gravatar.com\/avatar\/9834be479621e684435385d06a68fab4.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2Fdf10d%2Fimg%2Favatars%2Fava_0010-72.png","image_192":"https:\/\/secure.gravatar.com\/avatar\/9834be479621e684435385d06a68fab4.jpg?s=192&d=https%3A%2F%2Fa.slack-edge.com%2Fdf10d%2Fimg%2Favatars%2Fava_0010-192.png","image_512":"https:\/\/secure.gravatar.com\/avatar\/9834be479621e684435385d06a68fab4.jpg?s=512&d=https%3A%2F%2Fa.slack-edge.com%2Fdf10d%2Fimg%2Favatars%2Fava_0010-512.png","status_text_canonical":"","team":"TV6AN59D3"},"is_admin":false,"is_owner":false,"is_primary_owner":false,"is_restricted":false,"is_ultra_restricted":false,"is_bot":true,"is_app_user":false,"updated":1583876936},{"id":"UUTRYS550","team_id":"TV6AN59D3","name":"space_suely_api_proje","deleted":false,"color":"5b89d5","real_name":"space_suely_api_proje","tz":"America\/Los_Angeles","tz_label":"Pacific
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diff --git a/test/cassettes/lists_users.yml b/test/cassettes/lists_users.yml
new file mode 100644
index 00000000..e01d7548
--- /dev/null
+++ b/test/cassettes/lists_users.yml
@@ -0,0 +1,93 @@
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+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:05 GMT
+recorded_with: VCR 5.1.0
diff --git a/test/cassettes/send_messages_to_channel.yml b/test/cassettes/send_messages_to_channel.yml
new file mode 100644
index 00000000..2d70347f
--- /dev/null
+++ b/test/cassettes/send_messages_to_channel.yml
@@ -0,0 +1,383 @@
+---
+http_interactions:
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=C01067YP1T9&text=testing%20new%20token&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '338'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:10 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - 96d0d2aab555fec2486bf200395c0ca3
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - chat:write
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
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+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-wexm
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 c1c7bd66e338154bf556b9c8414debe9.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - DgJwpFS_HAJ9U5aSmWPY-yvzfL1I2EbqhbRKJtuHsLZj-WC1LX3FTg==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"C01067YP1T9","ts":"1584675910.000300","message":{"bot_id":"BV8JC2PSA","type":"message","text":"testing
+        new token","user":"UUW9P2RQ9","ts":"1584675910.000300","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:05 GMT
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=CVDP09BL7&text=testing%20new%20token!&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '338'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:13 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - 2d40c5c0469321767efd9a9b89dc09d0
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - chat:write
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
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+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
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+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-yfr8
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 38e44b0b4251fbfb70eb0f304e9558fb.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - bTcloq8S0M9dobQ-0p6m5NtExRQD9GJay3jsN-lcW_hZENmBdqoT0A==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"CVDP09BL7","ts":"1584675913.001000","message":{"bot_id":"BV8JC2PSA","type":"message","text":"testing
+        new token!","user":"UUW9P2RQ9","ts":"1584675913.001000","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:08 GMT
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=CVDP09BL7&text=if%20you%20can%20see%20this&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '339'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:15 GMT
+      Server:
+      - Apache
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+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
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+      Access-Control-Expose-Headers:
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+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
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+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
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+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
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+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-y4g4
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 964cf114e0992390e6487315faea90ac.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - nvoPdol3r54TmW7t4XREIJb6CJHOnWdlYVLNdPnZTvF9byLNYLy6DQ==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"CVDP09BL7","ts":"1584675915.001100","message":{"bot_id":"BV8JC2PSA","type":"message","text":"if
+        you can see this","user":"UUW9P2RQ9","ts":"1584675915.001100","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
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+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:10 GMT
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=CVDP09BL7&text=it%20means%20my%20token%20is%20working&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '344'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:16 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - 98d27242498b60e2087b0ee60e214e12
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
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+      - chat:write
+      Access-Control-Expose-Headers:
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+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
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+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
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+      X-Via:
+      - haproxy-www-45sp
+      X-Cache:
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+      Via:
+      - 1.1 1bfde73e7d02732154f58c7e03609d09.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - uItUtN4QQDznf6YSHOIhRmYY-OQI_2WCZySR0ntgCXvIZkqwlOEDLw==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"CVDP09BL7","ts":"1584675916.001200","message":{"bot_id":"BV8JC2PSA","type":"message","text":"it
+        means my token is working","user":"UUW9P2RQ9","ts":"1584675916.001200","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:10 GMT
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=CVDP09BL7&text=hi%20five!&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '333'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:16 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - e1a6b5c5b7b3d1ab4f8e87655b6a0631
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - chat:write
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts, x-b3-traceid, x-b3-spanid, x-b3-parentspanid,
+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-tqr5
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 c9ce112dce78418fe2a7bbe639a34f78.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - K3EtuqT2OZdSIT6-sVtKyBen4jwfnZg5qHAPYbzIvk8jqc-iholZ2g==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"CVDP09BL7","ts":"1584675916.001300","message":{"bot_id":"BV8JC2PSA","type":"message","text":"hi
+        five!","user":"UUW9P2RQ9","ts":"1584675916.001300","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:11 GMT
+recorded_with: VCR 5.1.0
diff --git a/test/cassettes/send_messages_to_user.yml b/test/cassettes/send_messages_to_user.yml
new file mode 100644
index 00000000..2af3ca7c
--- /dev/null
+++ b/test/cassettes/send_messages_to_user.yml
@@ -0,0 +1,381 @@
+---
+http_interactions:
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=UV868PVCP&text=asdfas&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '330'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:09 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - 25924b4a8ce1924f794a4124f08348b5
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - chat:write
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts, x-b3-traceid, x-b3-spanid, x-b3-parentspanid,
+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-tlvl
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 1bfde73e7d02732154f58c7e03609d09.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - IpZ3UUwGrmggQhs0cvs8UT_d6_3T6T0iBNt7wvrRQW3ZfGe3-AUymA==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"DV5U6KN7N","ts":"1584675909.000700","message":{"bot_id":"BV8JC2PSA","type":"message","text":"asdfas","user":"UUW9P2RQ9","ts":"1584675909.000700","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:04 GMT
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=UV868PVCP&text=hi!&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '328'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:11 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - 45b378b8d3a340f652dd1ab363232565
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - chat:write
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts, x-b3-traceid, x-b3-spanid, x-b3-parentspanid,
+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-lxhd
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 c8997576b0e59159a991d905466fd2d5.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - yIZrtCCXJhyagw8UN2a1bitVhVjCCXK112UEI0dhNbYPuXxltfQk9w==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"DV5U6KN7N","ts":"1584675911.000800","message":{"bot_id":"BV8JC2PSA","type":"message","text":"hi!","user":"UUW9P2RQ9","ts":"1584675911.000800","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:06 GMT
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=UV868PVCP&text=if%20you%20can%20see%20this&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '339'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:12 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - 9d8b2c400e38842fdd5940608f653466
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - chat:write
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts, x-b3-traceid, x-b3-spanid, x-b3-parentspanid,
+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-f54k
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 ca0f120555a3804748b7203f95b35195.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - fct7HSe4Gfi4EUQCxlK3LBTH7xZsdIUI_LYKAb4pIfF3BMJNQ3C1QQ==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"DV5U6KN7N","ts":"1584675912.000900","message":{"bot_id":"BV8JC2PSA","type":"message","text":"if
+        you can see this","user":"UUW9P2RQ9","ts":"1584675912.000900","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:06 GMT
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=UV868PVCP&text=it%20means%20my%20user.send%20method%20is%20working&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '349'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:12 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - f3a34d6babb1540d12c07395c0e83e96
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - chat:write
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts, x-b3-traceid, x-b3-spanid, x-b3-parentspanid,
+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-v750
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 4dbcbae01dbe8e38ad716ec4b04c5f39.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - l-svLpNXaKoim1x1E7obi3guLIetal0OviG8DySjU4KXmlJO-cEOgg==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"DV5U6KN7N","ts":"1584675912.001000","message":{"bot_id":"BV8JC2PSA","type":"message","text":"it
+        means my user.send method is working","user":"UUW9P2RQ9","ts":"1584675912.001000","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:07 GMT
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage?channel=UV868PVCP&text=hi%20five!&token=SLACK_BOT_TOKEN
+    body:
+      encoding: UTF-8
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '331'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 20 Mar 2020 03:45:13 GMT
+      Server:
+      - Apache
+      X-Slack-Req-Id:
+      - f09f1031154b5657aa8b75777051f99b
+      X-Oauth-Scopes:
+      - channels:read,chat:write,users:read,channels:manage,chat:write.public
+      X-Accepted-Oauth-Scopes:
+      - chat:write
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Slack-Backend:
+      - h
+      X-Content-Type-Options:
+      - nosniff
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      X-Xss-Protection:
+      - '0'
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts, x-b3-traceid, x-b3-spanid, x-b3-parentspanid,
+        x-b3-sampled, x-b3-flags
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-qel1
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 4c7fd3c8d1d5afb1ce8ed03385580c2e.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - HIO50-C2
+      X-Amz-Cf-Id:
+      - JfcNOwXb7fcDXN8ibkaYwRu-pXzBNQaZMkzF8rf_rdIehGdSr9ER-Q==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channel":"DV5U6KN7N","ts":"1584675913.001100","message":{"bot_id":"BV8JC2PSA","type":"message","text":"hi
+        five!","user":"UUW9P2RQ9","ts":"1584675913.001100","team":"TV6AN59D3","bot_profile":{"id":"BV8JC2PSA","deleted":false,"name":"Space
+        - Hala - API Project","updated":1584655396,"app_id":"AV872A207","icons":{"image_36":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_36.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/bot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/plugins\/app\/service_72.png"},"team_id":"TV6AN59D3"}}}'
+    http_version: null
+  recorded_at: Fri, 20 Mar 2020 03:45:07 GMT
+recorded_with: VCR 5.1.0
diff --git a/test/channel_test.rb b/test/channel_test.rb
new file mode 100644
index 00000000..d07c429f
--- /dev/null
+++ b/test/channel_test.rb
@@ -0,0 +1,44 @@
+require_relative 'test_helper'
+require 'httparty'
+require 'dotenv'
+
+Dotenv.load
+
+describe "Channel Class" do
+
+  describe "Channel instantiation" do
+    before do
+      @channel = SlackCli::Channel.new(slack_id: 1 ,name: "hala", topic: "ada", member_count: 2342)
+      @channel2 = SlackCli::Channel.new(slack_id: "CVDP09BL7" ,name: "halatests", topic: "ada", member_count: 1)
+    end
+
+    it "is an instance of Channel" do
+      expect(@channel).must_be_kind_of SlackCli::Channel
+    end
+
+    it "must list details of the channel" do
+        expect(@channel.details).must_equal [{"slack_id" => 1,"name" => "hala","topic" => "ada", "member_count" => 2342 }]
+    end
+    
+    it "can list all channels in the workspace" do
+        VCR.use_cassette("list all") do
+          CHANNELS_URL = "https://slack.com/api/conversations.list" 
+          SLACK_BOT_TOKEN = ENV["SLACK_BOT_TOKEN"]
+          channels = HTTParty.get(CHANNELS_URL,	query: {token: SLACK_BOT_TOKEN })
+    
+          expect(SlackCli::Channel.list_all.length).must_equal 5
+        end
+    end
+
+    it "can send a message to a channel"do
+        VCR.use_cassette("send messages to channel") do
+            expect(@channel2.send_message("testing new token!")).must_equal true && 200
+            expect(@channel2.send_message("if you can see this")).must_equal true &&  200
+            expect(@channel2.send_message("it means my token is working")).must_equal true && 200
+            expect(@channel2.send_message("hi five!")).must_equal true &&  200
+        end
+    end
+
+
+  end
+end
diff --git a/test/recipient_test.rb b/test/recipient_test.rb
new file mode 100644
index 00000000..e69de29b
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 1fcf2bab..056673ca 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -9,8 +9,19 @@
 require 'minitest/skip_dsl'
 require 'vcr'
 
+
+
+
 Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new
 
+require_relative '../lib/recipient'
+require_relative '../lib/channel'
+require_relative '../lib/user'
+require_relative '../lib/workspace'
+require 'dotenv'
+
+Dotenv.load
+
 VCR.configure do |config|
   config.cassette_library_dir = "test/cassettes"
   config.hook_into :webmock
@@ -25,5 +36,7 @@
   }
 
   # Don't leave our token lying around in a cassette file.
-
+  config.filter_sensitive_data("SLACK_BOT_TOKEN") do
+    ENV["SLACK_BOT_TOKEN"]
+  end
 end
diff --git a/test/user_test.rb b/test/user_test.rb
new file mode 100644
index 00000000..eb7fc1f3
--- /dev/null
+++ b/test/user_test.rb
@@ -0,0 +1,34 @@
+require_relative 'test_helper'
+
+describe "User Class" do
+
+  describe "User instantiation" do
+    before do
+      @user = SlackCli::User.new(slack_id: "UV6BANLCV" ,name: "hala", real_name: "hala haddad", status_text: :AVAILABLE, status_emoji: nil)
+      @user2 = SlackCli::User.new(slack_id: "UV868PVCP" ,name: "hala", real_name: "hala haddad", status_text: :AVAILABLE, status_emoji: nil)
+    end
+
+    it "is an instance of Channel" do
+      expect(@user).must_be_kind_of SlackCli::User
+    end
+    
+    it "must list details of the user" do
+        expect(@user.details).must_equal [{"slack_id" => "UV6BANLCV","name" => "hala","real_name" => "hala haddad", "status_text" => :AVAILABLE, "status_emoji" => nil }]
+    end
+
+    it "can send a message to a user"do
+        VCR.use_cassette("send messages to user") do
+            expect(@user2.send_message("hi!")).must_equal true && 200
+            expect(@user2.send_message("if you can see this")).must_equal true &&  200
+            expect(@user2.send_message("it means my user.send method is working")).must_equal true && 200
+            expect(@user2.send_message("hi five!")).must_equal true &&  200
+        end
+    end
+
+    it "can list all users"do
+    VCR.use_cassette("lists users") do
+      expect(SlackCli::User.list_all.length).must_equal 11
+    end
+end
+  end
+end
\ No newline at end of file
diff --git a/test/workspace_test.rb b/test/workspace_test.rb
new file mode 100644
index 00000000..ef2ea4b9
--- /dev/null
+++ b/test/workspace_test.rb
@@ -0,0 +1,110 @@
+require_relative 'test_helper'
+require 'httparty'
+require 'dotenv'
+require 'stringio'
+require 'table_print'
+
+Dotenv.load
+
+describe "workspace Class" do
+
+  describe "Workspace instantiation" do
+    before do
+      VCR.use_cassette("initialize") do
+        @workspace = SlackCli::Workspace.new(users: SlackCli::User.list_all,channels: SlackCli::Channel.list_all,selected: nil)
+      end
+    end
+
+    it "is an instance of Workspace" do
+      VCR.use_cassette("initialize") do
+        expect(@workspace).must_be_kind_of SlackCli::Workspace
+      end
+    end
+    
+    it "can list all channels in the workspace" do
+      VCR.use_cassette("list all channels") do
+        expect(@workspace.channels.length).must_equal 5
+      end
+    end
+    
+    it "can list all users in the workspace" do
+        VCR.use_cassette("list all users") do
+          expect(@workspace.users.length).must_equal 11
+        end
+      end
+
+    it "can select a channel correctly" do
+        VCR.use_cassette("select channel") do
+            string_io = StringIO.new               
+            string_io.puts 'CVDP09BL7'
+            string_io.rewind 
+            $stdin = string_io   
+       
+            
+            @workspace.select_channel     
+            $stdin = STDIN          
+            expect(@workspace.selected.name).must_equal "halatests"
+        end
+    end
+
+    it "can select a user correctly" do
+        VCR.use_cassette("select user") do
+            string_io = StringIO.new               
+            string_io.puts 'UV868PVCP'
+            string_io.rewind 
+            $stdin = string_io   
+       
+            
+            @workspace.select_user    
+            $stdin = STDIN          
+            expect(@workspace.selected.name).must_equal "h.m.haddad"
+        end
+    end
+
+    it "must show details of a user or channel" do
+        VCR.use_cassette("show details") do
+          string_io = StringIO.new               
+          string_io.puts 'UV868PVCP'
+          string_io.rewind 
+          $stdin = string_io   
+          
+          @workspace.select_user    
+          $stdin = STDIN         
+          expect(@workspace.show_details).must_equal @workspace.selected.details
+        end
+    end
+
+    it "can send a message to a user" do
+        VCR.use_cassette("send messages to user") do
+            string_io = StringIO.new 
+            string_io.puts 'user'              
+            string_io.puts 'UV868PVCP'
+            string_io.puts 'asdfas'
+            string_io.rewind 
+            $stdin = string_io   
+       
+            
+            message = @workspace.send_message    
+            $stdin = STDIN          
+            expect(message).must_equal true && 200
+        end
+     end
+
+    it "can send a message to a channel" do
+      VCR.use_cassette("send messages to channel") do
+          string_io = StringIO.new 
+          string_io.puts 'channel'              
+          string_io.puts 'C01067YP1T9'
+          string_io.puts 'testing new token'
+          string_io.rewind 
+          $stdin = string_io   
+     
+          
+          message = @workspace.send_message    
+          $stdin = STDIN          
+          expect(message).must_equal true && 200
+      end
+    end
+
+  end
+end
\ No newline at end of file