OfferStateRequest

offer_state
Type: object
- campaign_id
  Type: string
  required
- activates_at
  Type: string
- enforce_idempotency
  Type: boolean
  
  When true, treats external_ref_id as an idempotency key scoped to this offer and member, and returns the existing offer state instead of creating a duplicate. The same external_ref_id for a different member or offer is not deduplicated. Requires external_ref_id to be present.
- expires_at
  Type: string
- external_ref_id
  Type: string