public RootMutation(IPlayerRepository playerRepository)
 {
     Field <PlayerType>(
         "addPlayer",
         arguments: new QueryArguments
     {
         new QueryArgument <InputPlayerType>()
         {
             Name = "player"
         }
     },
         resolve: context =>
     {
         var player = context.GetArgument <Player>("player");
         return(playerRepository.AddPalyer(player));
     }
         );
 }