// Enable method enables an heartbeat at OpsGenie. func (cli *OpsGenieHeartbeatClient) Enable(req heartbeat.EnableHeartbeatRequest) (*heartbeat.EnableHeartbeatResponse, error) { req.APIKey = cli.apiKey resp, err := cli.sendRequest(cli.buildPostRequest(enableHeartbeatURL, req)) if resp == nil { return nil, err } defer resp.Body.Close() var enableHeartbeatResp heartbeat.EnableHeartbeatResponse if err = resp.Body.FromJsonTo(&enableHeartbeatResp); err != nil { message := "Server response can not be parsed, " + err.Error() logging.Logger().Warn(message) return nil, errors.New(message) } return &enableHeartbeatResp, nil }