***

title: Reference message data in scripts
updated: 2025-11-04T00:00:00.000Z
topictype: reference
slug: docs/tests-and-scripts/write-scripts/postman-sandbox-reference/pm-message
max-toc-depth: 2
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The `pm.message` object provides access to the data returned in the message that's received from the server. `pm.message` is only available in **On message** scripts.{/* gRPC only? */}

## pm.message properties

The `pm.message` object contains the following properties:

For an incoming message:

* `pm.message: PropertyList<{ data: any, timestamp: Date }>` - An individual message [`PropertyList`](https://www.postmanlabs.com/postman-collection/PropertyList.html) object with the `key` and `value` properties:
* `data` - The received message content.
* `timestamp` - The time the message was received, represented as a `Date` object.