To enable channel lifecycles, you must first go to your app dashboard, then select the 'API Keys' tab.
Either edit an existing key by selecting "Settings" within the API Key's box, or create a new key by clicking the '"Create a new API Key' button. From here, tick the "Channel Metadata" box. This API Key will now be able to use channel metadata.
In order to make use of Occupancy with Channel Metadata, you need to be an Enterprise Customer.
Contact us if you wish to know more about occupancy and enterprise.