map name. Optional for public HERE maps and for private BYOD maps. If not given, the content from all maps is retrieved

Specifies the function used to wrap the JSON response.

A key generated specifically to authenticate API requests. For more information on how to get an API key, see https://developer.here.com/documentation/identity-access-management/dev_guide/index.html .
Other authentication options are Bearer token, see https://developer.here.com/documentation/identity-access-management/dev_guide/index.html or app_id with app_code for backward compatibility.