From 7785b034607641020f8c0e705c6254f6dfe80edf Mon Sep 17 00:00:00 2001
From: Yusuke Tsutsumi <yusuke@tsutsumi.io>
Date: Tue, 11 Nov 2025 08:20:12 -0800
Subject: [PATCH] feat(x-aep-field): add field number

field numbers are not officially required by the AEPs,
but are useful for enumeration in intermediary representations
such as resource definitions for aep-lib-go.
---
 json_schema/extensions/x-aep-field.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/json_schema/extensions/x-aep-field.yaml b/json_schema/extensions/x-aep-field.yaml
index d7f7b3c..706528b 100644
--- a/json_schema/extensions/x-aep-field.yaml
+++ b/json_schema/extensions/x-aep-field.yaml
@@ -37,3 +37,9 @@ properties:
         "library.example.com/topic"
     type: array
     items: string
+  field_number:
+    description: |
+      A unique identifier for the field. This is useful when doing translation
+      to protocols that require indexing of fields, such as Protocol Buffers.
+    type: integer
+    minimum: 1