invoke
open suspend operator override fun invoke(appId: <Error class: unknown class>, conversationId: <Error class: unknown class>): <Error class: unknown class><ObserveIsAppMemberResult>
This use case is responsible for observing if an App is member of given conversation.
Return
a Flow of ObserveIsAppMemberResult with Success of a Qualified ID of App in User table or NULL or an error.
Parameters
appId
contains the ID of the App.
conversationId
ID of the conversation App will be seen, added or removed.