---
page_source: https://juspay.io/in/docs/upi-merchant-stack/docs/mandates/mandate-notification-callback
page_title: Mandate Notification Callback
---


# Mandate Notification Callback 



Server sends a callback to the Merchant to the url configured when mandate is notified prior to execution.


| Parameter | Description | Type |
|---|---|---|
| amount	 | Amount of Mandate. | Mandatory |
| gatewayReferenceId	 | Customer reference number (rrn) | Mandatory |
| gatewayResponseCode	 | Response code returned by gateway for the mandate. | Mandatory |
| gatewayResponseMessage | Response message returned by gateway for the transaction. | Mandatory |
| gatewayResponseStatus	 | Response status returned by gateway. | Mandatory |
| gatewayTransactionId	 | upiRequestId as passed on request | Mandatory |
| merchantChannelId	 | Unique id for the channel via which request is made. | Mandatory |
| merchantId	 | Unique id for merchant. | Mandatory |
| merchantRequestId	 | Request id used for the mandate notification. | Mandatory |
| nextExecution | Time at which the corresponding execution of mandate will take place | Mandatory |
| orgMandateId	 | gatewayMandateId passed in the response of webMandate. | Mandatory |
| type	 | Event type of the callback | Mandatory |
| umn	 | Vpa used for execution of mandate. | Mandatory |
| udfParameters | 	Stringified json for udf parameters. | Optional |