# <GCKGameManagerChannelDelegate> Protocol [Instance Methods](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#pub-methods) \ Protocol Reference ## Overview The [GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel "A GCKCastChannel subclass for game control operations. ") delegate protocol. **[Deprecated:](https://developers.google.com/cast/v3/reference/ios/deprecated#_deprecated000018)** : The Game Manager API is no longer supported and will be removed in a future release. Inherits \. |---|---| | ## Instance Method Summary || | (void) | - [gameManagerChannel:stateDidChangeTo:from:](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#accff76ee5892e8ad78a7c1fa67ae6274) | | | Called when the Game Manager state has changed. [More...](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#accff76ee5892e8ad78a7c1fa67ae6274) | | || | (void) | - [gameManagerChannel:didReceiveGameMessage:forPlayerID:](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#af61da064c03740f9ae2ad2e50951059f) | | | Called when the receiver sends a game message for a specific player. [More...](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#af61da064c03740f9ae2ad2e50951059f) | | || | (void) | - [gameManagerChannel:requestDidSucceedWithID:result:](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#a43f388c8dc1a7696e6a4887c7c5448f8) | | | Called when a player request or game request was successful. [More...](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#a43f388c8dc1a7696e6a4887c7c5448f8) | | || | (void) | - [gameManagerChannel:requestDidFailWithID:error:](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#a603e7047041a2397d01652e0c2940cba) | | | Called when a player request or game request failed with an error. [More...](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#a603e7047041a2397d01652e0c2940cba) | | || | (void) | - [gameManagerChannelDidConnect:](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#a0e650e739f7edb7664987e231d56c7f6) | | | Called when the receiver's Game Manager connects successfully and we are ready to interact with it. [More...](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#a0e650e739f7edb7664987e231d56c7f6) | | || | (void) | - [gameManagerChannel:didFailToConnectWithError:](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#a157cf9732077a52393f38ea573101f62) | | | Called when the receiver's Game Manager encounters an error during connection. [More...](https://developers.google.com/cast/v3/reference/ios/protocol_g_c_k_game_manager_channel_delegate-p#a157cf9732077a52393f38ea573101f62) | | || ## Method Detail |---|---|---|---| | - (void) gameManagerChannel: | | ([GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel) \*) | *gameManagerChannel* | | stateDidChangeTo: | | ([GCKGameManagerState](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_state) \*) | *currentState* | | from: | | ([GCKGameManagerState](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_state) \*) | *previousState* | | | | | | Called when the Game Manager state has changed. Parameters : |---|---| | gameManagerChannel | The affected [GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel "A GCKCastChannel subclass for game control operations. "). | | currentState | The current state. | | previousState | The previous state. | |---|---|---|---| | - (void) gameManagerChannel: | | ([GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel) \*) | *gameManagerChannel* | | didReceiveGameMessage: | | (id) | *gameMessage* | | forPlayerID: | | (NSString \*) | *playerID* | | | | | | Called when the receiver sends a game message for a specific player. Parameters : |---|---| | gameManagerChannel | The affected [GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel "A GCKCastChannel subclass for game control operations. "). | | gameMessage | The game message sent by the receiver. | | playerID | The player ID associated with the game message. | |---|---|---|---| | - (void) gameManagerChannel: | | ([GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel) \*) | *gameManagerChannel* | | requestDidSucceedWithID: | | (NSInteger) | *requestID* | | result: | | ([GCKGameManagerResult](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_result) \*) | *result* | | | | | | Called when a player request or game request was successful. Parameters : |---|---| | gameManagerChannel | The affected [GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel "A GCKCastChannel subclass for game control operations. "). | | requestID | The request ID that failed. This is the ID returned when the request was made. | | result | The [GCKGameManagerResult](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_result "The result of a Game Manager request. ") returned as part of this request response. | |---|---|---|---| | - (void) gameManagerChannel: | | ([GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel) \*) | *gameManagerChannel* | | requestDidFailWithID: | | (NSInteger) | *requestID* | | error: | | ([GCKError](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_error) \*) | *error* | | | | | | Called when a player request or game request failed with an error. Parameters : |---|---| | gameManagerChannel | The affected [GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel "A GCKCastChannel subclass for game control operations. "). | | requestID | The request ID that failed. This is the ID returned when the request was made. | | error | The error describing the failure. | |---|---| | |---|---|---|---|---| | - (void) gameManagerChannelDidConnect: | | ([GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel) \*) | *gameManagerChannel* | | | required | Called when the receiver's Game Manager connects successfully and we are ready to interact with it. Parameters : |---|---| | gameManagerChannel | The affected [GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel "A GCKCastChannel subclass for game control operations. "). | |---|---| | |---|---|---|---| | - (void) gameManagerChannel: | | ([GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel) \*) | *gameManagerChannel* | | didFailToConnectWithError: | | ([GCKError](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_error) \*) | *error* | | | | | | | required | Called when the receiver's Game Manager encounters an error during connection. Parameters : |---|---| | gameManagerChannel | The affected [GCKGameManagerChannel](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_game_manager_channel "A GCKCastChannel subclass for game control operations. "). | | error | The error describing the failure. |