Snapshot of active/pending donation-match records associated with this
donation at the time the payload was generated. Present on webhook
donation_updated events (WebhookRelayDonation) and on the cause
/donations endpoint. Optional here because older mocks / test
fixtures may omit it and because the public /campaigns/{id}/donations
endpoint historically did not surface it. Downstream consumers should
treat undefined and null identically ("no known matches").
Snapshot of active/pending donation-match records associated with this donation at the time the payload was generated. Present on webhook
donation_updatedevents (WebhookRelayDonation) and on the cause/donationsendpoint. Optional here because older mocks / test fixtures may omit it and because the public/campaigns/{id}/donationsendpoint historically did not surface it. Downstream consumers should treatundefinedandnullidentically ("no known matches").