code: func (c *Target) SendMessageToTargetWithParams(v *TargetSendMessageToTargetParams) (*gcdmessage.ChromeResponse, error) {
  	return gcdmessage.SendDefaultRequest(c.target, c.target.GetSendCh(), &gcdmessage.ParamRequest{Id: c.target.GetId(), Method: "Target.sendMessageToTarget", Params: v})
  }
docs: // SendMessageToTargetWithParams - Sends protocol message over session with given id.