To create a connector for Zendesk, go to the settings in the Robot module and click on <connectors>. With the symbol you can choose the connector you want to create:
In Zendesk, an application must be created using the default callback URL. If you need help with this, please consult the Zendesk Help Center.
After that, the subdomain, Client ID and Client Secret can be inserted and the Zendesk connector can be connected: