ID of the shipment. An order may contain multiple items and may get divided into one or more shipment, each having its own ID. For example, '16736576489251696245'.
You can get shipmentId from the query order.shipments[].shipment_id.

The input payload containing the delivery reattempt request details. Example: { delivery_reschedule_date: '2023-01-22T10:00:00Z', remark: 'Please deliver in the morning', delivery_address: { address1: '123 Main Street, Downtown', city: 'Panjim', pincode: '403521', state: 'Goa' } }.