The external ID of the Company entity, used as an alternative to the CompanyGuid query parameter. When provided with a valid ExternalIdSource header, it overrides the lookup of the Company entity record. If a matching record is not found, an ExternalEntityNotFound error is returned. If a match is found, the response includes a CompanyGuid header containing the classic entity record ID.

The unique identifier for a Department record, formatted as a UUID.

An option to define the billing frequency of billing processing.

An option to define when billing processing occurs.

The string source name (such as application or function name) that indicates the origin of the request.

The external ID source that determines which external reference source is used to perform an external ID lookup.

The identifier of the Avionté BOLD user on whose behalf the request is performed. Used to establish the user context for auditing, permission checks, and user-attributed actions. This value must correspond to a valid, active Avionté Back Office user. If the identifier cannot be resolved, the request is rejected.