Query in the RSQL format, allowing filter of site object information.
Default filter returns all objects for the site ID.
Fields allowed in the query: objectType, objectId
Example: filter=objectType=="User"
List of objectType options (case-insensitive) ["Computer", "Peripheral", "Licensed Software", "Licensed Software Template", "Policy", "macOS Configuration Profile", "Restricted Software", "Managed Preference Profile", "Computer Group", "Mobile Device", "Apple TV", "Android Device", "User Group", "iOS Configuration Profile", "Mobile Device App", "E-book", "Mobile Device Group", "Classroom", "Advanced Computer Search", "Advanced Mobile Search", "Advanced User Search", "Advanced User Content Search", "Computer Invitation", "Mobile Device Invitation", "Mobile Device Enrollment Profile", "Device Enrollment Program Instance", "Mobile Device Prestage", "Computer DEP Prestage", "Enrollment Customization", "VPP Location", "VPP Subscription", "VPP Invitation", "VPP Assignment", "User", "Network Integration", "Mac App", "App Installer", "Self Service Plugin", "Software Title", "Patch Software Title Summary", "Patch Policy", "Patch Software Title Configuration", "Change Password", "Mobile Device Inventory", "Computer Inventory", "Change Management", "Licensed Software License"]