---
schema_version: "1"
id: a59f442c270ca7142408c5006e1c5a755fcc676c8a5a21bc740481e01df51e3a
title: DefinitionSend
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/marketing-cloud/guides/mc-programmatic-content/ssjs_sendDefinitionSend.md
canonical_url: https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/ssjs_sendDefinitionSend.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 58279b0873c0d926999f9f6cdbb567b1337c4b2f97832d88da555e4dc429c554
products:
  - Marketing Cloud Engagement APIs and Programmatic Languages
  - Marketing Cloud
---
# DefinitionSend

## Overview

Sends email messages to the lists associated with the initialized send definition

### Syntax

DefinitionSend(1)

### Function Properties

<!--complex table-->

| Ordinal | Type   |              | Description                                                                                                           |
| ------- | ------ | ------------ | --------------------------------------------------------------------------------------------------------------------- |
| **1**   | object | **Required** | Date object specifying when send should perform. If you pass no value or a null value, the send performs immediately. |

## Examples

This sample code initializes a send definition with an external key of myESD and performs a send:

```
var esd = Send.Definition.Init('myESD');
var status = esd.Send();
```