Unions

Union types define that a returned type may be one of many other types.

Approvable

The types of items that can require approval. Currently only hires go through approval workflows.

Possible Types
`Hire`

An item in a batch.

Possible Types
`PaymentRequest`

Accounts that a job can be shared with.

Possible Types
`Worker`
`Recruiter`

A multi-factor instance.

Possible Types
`SmsMultiFactor`
`TotpMultiFactor`

The types of nodes that can appear in a workflow tree. Currently only approval rules.

Possible Types
`ApprovalRule`

Union of types which can include notes.

Possible Types
`Job`
`TrustedContact`

Union of types which custom field values may be applied to.

This is closely coupled to the TypeSupportingCustomFieldValues enum.