Changes to App | Send msg With Template ID

deleted the header request parameter token

api tag App added

api tag default removed

added the new optional header request parameter Authorization

added the new optional request property message

the request's body type was generalized from object to no type

the request property destination became optional

the request property source became optional

the request property src.name became optional

the request property template became optional

added the non-success response with the status 400

added the non-success response with the status 401

removed the non-success response with the status 429