---
schema_version: "1"
id: 40e57edf8c883a1a3c35e985841244e2fd0b5c359a6e4c26f06bd6b429d96dad
title: Perform
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/marketing-cloud/guides/mc-programmatic-content/ssjs_queryDefinitionPerform.md
canonical_url: https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/ssjs_queryDefinitionPerform.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: e1c7eaa7b16ac93ecd3ab8da4537696433e9308ff3736b5d468a0023807d7b36
products:
  - Marketing Cloud Engagement APIs and Programmatic Languages
  - Marketing Cloud
---
# Perform

## Overview

Performs a query definition from your account

### Syntax

Perform()

## Example

This sample code performs the query definition with the external key "myQueryDef":

```
var qd = QueryDefinition.Init("myQueryDef");
var status = qd.Perform();
```