code: func (client *Client) CreateIntegrationSlack(slackIntegration *IntegrationSlackRequest) error {
  	return client.doJsonRequest("POST", "/v1/integration/slack", slackIntegration, nil)
  }
docs: // CreateIntegrationSlack creates new Slack Integrations.
  // Use this if you want to setup the integration for the first time
  // or to add more channels.