// Add method creates a heartbeat at OpsGenie. func (cli *OpsGenieHeartbeatClient) Add(req heartbeat.AddHeartbeatRequest) (*heartbeat.AddHeartbeatResponse, error) { req.APIKey = cli.apiKey resp, err := cli.sendRequest(cli.buildPostRequest(addHeartbeatURL, req)) if resp == nil { return nil, err } defer resp.Body.Close() var addHeartbeatResp heartbeat.AddHeartbeatResponse if err = resp.Body.FromJsonTo(&addHeartbeatResp); err != nil { message := "Server response can not be parsed, " + err.Error() logging.Logger().Warn(message) return nil, errors.New(message) } return &addHeartbeatResp, nil }