code: func (b *Backend) SendGatewayConfigPacket(configPacket gw.GatewayConfiguration) error {
  	gatewayID := helpers.GetGatewayID(&configPacket)
  
  	return b.publishCommand(gatewayID, "config", &configPacket)
  }
docs: // SendGatewayConfigPacket sends the given GatewayConfigPacket to the gateway.