[PR #5962/51394b55 backport][stable-6] Add attributes to some messaging modules (#6060)

Add attributes to some messaging modules (#5962)

Add attributes to some messaging modules.

(cherry picked from commit 51394b55a0)

Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/cisco_webex.py

@@ -20,6 +20,14 @@ notes:
   - The C(recipient_id) type must be valid for the supplied C(recipient_id).
   - Full API documentation can be found at U(https://developer.webex.com/docs/api/basics).
 
+extends_documentation_fragment:
+  - community.general.attributes
+attributes:
+  check_mode:
+    support: full
+  diff_mode:
+    support: none
+
 options:
 
   recipient_type: