To create a global request class:
For more information on each request class type, see Using Work Managers to Optimize Scheduled Work.
For more information on configuring request classes, see Using Work Managers to Optimize Scheduled Work.
Result
The new constraint appears in the Global Work Managers, Request Classes and Constraints table.
After you finish
After you have created a request class, you must assign it to a Work Manager in order to use it. Each Work Manager can contain only one request class of each type, but you can share request classes among multiple Work Managers.