   });
 
   /**********************************************************************************************
-      api device get calls
+      api calls
   **********************************************************************************************/
 
   server.on( "/api/deletefile", HTTP_POST, []( AsyncWebServerRequest * request)

        }
      }
      channel[ channelNumber ].color = "#" + request->arg( "color" );


      //pre-use 'content' buffer
      snprintf( content, sizeof( content ), "channelcolor%i", channelNumber );

        return request->send( 501, textPlainHeader, "Not present." );
      }
    }

    else if ( request->hasArg( "timezone" ) )
    {
      snprintf( content, sizeof( content ), "%s", getenv( "TZ" ) );
    }

    else
    {
      return request->send( 400, textPlainHeader, "Invalid option" );
    }

    request->send( 200, textPlainHeader, content );
  });

