Merge pull request #2344 from matrix-org/travis/spec/fix-2338

Add filter query param to /context

api/client-server/event_context.yaml

@@ -59,6 +59,18 @@ paths:
           description: |-
             The maximum number of events to return. Default: 10.
           x-example: 3
+        - in: query
+          name: filter
+          type: string
+          description: |-
+            A JSON ``RoomEventFilter`` to filter the returned events with. The
+            filter is only applied to ``events_before``, ``events_after``, and
+            ``state``. It is not applied to the ``event`` itself. The filter may 
+            be applied before or/and after the ``limit`` parameter - whichever the 
+            homeserver prefers.
+
+            See `Filtering <#filtering>`_ for more information.
+          x-example: "66696p746572"
       responses:
         200:
           description: The events and state surrounding the requested event.

changelogs/client_server/newsfragments/2344.clarification

@@ -0,0 +1 @@
+Add missing information on how filters are meant to work with ``/context``.