/services/data/{!Bindings.word}/chatter/feed-elements Content-Type:{!Bindings.word3} true true Add API httpPost 0 {"body":{"messageSegments":[{"type": "Text", "text": "{!Bindings.word1}"}]},"subjectId": "{!Bindings.word2}", "feedElementType": "feedItem"} customExcludedUser CustomExcludedUser Primary OncePerUser 10 true MyPackage