LeaveReason: The reason the participant left the room; populated if the participant status is PARTICIPANT_LEFT. Possible values are: - "PLAYER_LEFT" - The player explicitly chose to leave the room. - "GAME_LEFT" - The game chose to remove the player from the room. - "ABANDONED" - The player switched to another application and abandoned the room. - "PEER_CONNECTION_FAILURE" - The client was unable to establish or maintain a connection to other peer(s) in the room. - "SERVER_ERROR" - The client received an error response when it tried to communicate with the server. - "TIMEOUT" - The client timed out while waiting for players to join and connect. - "PRESENCE_FAILURE" - The client's XMPP connection ended abruptly.