public int LoginApp( string player_uuid, [string app_version = null] );
LoginApp collects the user’s app login data. It needs to be called when the user logs into the game before all other TPStashEvent methods are called. It is used for the analysis of almost every persona.
It returns 1 for success and -1 for failure. If -1 is returned, you can see the following message in the Unity editor console in TentuPlay debug mode: