Lists all employments under a company with their cost center allocations, grouped by employment.
Each entry includes the employment's legal entity IDs and the list of cost center allocations
assigned to it, with each allocation's cost center, allocated percentage, and effective period.
Employments with no cost center allocations are included with an empty list.

Use the status query parameter to return only active, scheduled, or expired allocations.
When omitted, all allocations are returned.

Scopes