---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/segment/connections/destinations/catalog/relay#article
headline: Relay Destination
description: Connect the Relay destination to Segment to send Identify and Track calls, mapping user traits to Relay profile fields and events to custom events.
url: https://www.twilio.com/docs/segment/connections/destinations/catalog/relay
inLanguage: en
dateModified: 2026-07-03T01:00:45.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# Relay Destination

## Getting Started

Once the Segment library is integrated with your server, toggle Relay on in your Segment destinations.

Relay supports the `identify` and `track` methods.

## Identify

When you `identify` a user, we'll pass that user's information to Relay with `userId` as Relay's External User ID. Segment's special traits recognized as Relay's standard user profile fields (in parentheses) are:

* `firstName` (`first_name`)
* `lastName` (`last_name`)
* `email` (`email`)

All other traits will be sent to Relay as custom attributes.

## Track

When you `track` an event, we will send that event to Relay as a custom event. Your '.track' events should have the properties associated with it.