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Go to the Project settings via the project Agent view.
Here you can browse request type groups and request types.
For any selected current group, you can find the group ID in the URL:
{your domain}/servicedesk/admin/{key}/request-types/group/{group ID}Click Edit fields for individual request types to see the ID in the URL:
{your domain}/servicedesk/admin/{key}/request-types/request-type/{request type ID}