if you want to show the basic Service Catalog view
if you want to show only the services from a category with ID 1 and ID 4
if you want to show only the services from a category with ID 2
if you want to show this form for the service with ID 1
if you want to show the services of one specific employee with ID 1
if you want to show the employee of one specific service with ID 1 & ID 4
if you want to show the services of one specific location with ID 1
if you want to show only the services from a category with ID 1 that are assigned to the employee with ID 1
if you want to show only the services from a category with ID 1 that are provided on the location with ID 1