Reference for the callback. Should be the same across orders. Used to track callbacks in event logs.
Description of the callback purpose.
Example: "Validates that all items are currently in stock."
{ "id": "oc_BaDIudFOjBEuFmLlmDExePUFTh", "adapterId": "jetshop_adapter", "reference": "string", "description": "Validates that all items are currently in stock.", "invoke": "{config.adapter.publicUrl}/api/v1/orders/{order.id}/some-validation" }