diff --git a/news/145.feature b/news/145.feature
new file mode 100644
index 0000000..b33854d
--- /dev/null
+++ b/news/145.feature
@@ -0,0 +1 @@
+add rids parameter in querybuilder used to get only the rids of documents [razvanMiu] (#145)
\ No newline at end of file
diff --git a/plone/app/querystring/querybuilder.py b/plone/app/querystring/querybuilder.py
index bd8978f..8e23326 100644
--- a/plone/app/querystring/querybuilder.py
+++ b/plone/app/querystring/querybuilder.py
@@ -97,6 +97,7 @@ def __call__(
         limit=0,
         brains=False,
         custom_query=None,
+        rids=False,
     ):
         """Create a zope catalog query and return results.
 
@@ -145,6 +146,7 @@ def __call__(
                 limit=limit,
                 brains=brains,
                 custom_query=custom_query,
+                rids=rids,
             )
         return self._results
 
@@ -174,6 +176,7 @@ def _makequery(
         limit=0,
         brains=False,
         custom_query=None,
+        rids=False,
     ):
         """Parse the (form)query and return using multi-adapter"""
         query_modifiers = getUtilitiesFor(IQueryModifier)
@@ -207,6 +210,8 @@ def _makequery(
 
         empty_query = not parsedquery  # store emptiness
 
+        parsedquery["rids"] = rids
+
         if batch:
             parsedquery["b_start"] = b_start
             parsedquery["b_size"] = b_size