code: func (r *EchoRequest) VerifyAppID(myAppID string) bool {
  	if r.Session.Application.ApplicationID == myAppID ||
  		r.Context.System.Application.ApplicationID == myAppID {
  		return true
  	}
  
  	return false
  }
docs: // VerifyAppID check that the incoming application ID matches the application ID provided
  // when running the server. This is a step required for skill certification.