Receives a notification when a downsell is purchased.
1
to receive only test mode purchases
2
to receive only live mode purchases
Numeric ID of the downsell to trigger for. Example: 5
Array of numeric downsell IDs to trigger for. Example: [5, 19, 30]
{"event": "order_payment_downsell", "target_url": "https://mysite.com/webhooks/123/", "trigger_fields": {"mode_int": 2, "purchase": {"downsell_id": [5, 19, 30]}}}