This will return a success message if API is executed successfully.
Here are the possible error messages, which return if any condition fails or required data is missing for processing.
|Error Code||Error Description|
|400||The request could not be understood by the server due to malformed syntax.|
|401||You are not authorized to view the resource.|
|403||Accessing the resource you were trying to reach is forbidden.|
|404||The resource you were trying to reach is not found.|
|4030201||Not Event Host.|
|4060452||Please pass email address.|
|4040100||User Not Found.|
|4060453||email_address is not registered for event_name.|