---
schema_version: "1"
id: 2db90efb9f83c32a837098e73e05582634764e6bc9360dff9aaf374ac210f044
title: Expression Sets for Developers
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/ind/264-0-0/expression_sets_for_developers.md
canonical_url: https://help.salesforce.com/s/articleView?id=ind.expression_sets_for_developers.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 7ac3c01a4dbba1e3393cb268a3580fcf6ca8bbbfd514e7290a3559bd241a934b
description: Developers in your Salesforce org can employ expression set developer resources to use and extend expression sets.
products:
  - Industry Solutions
  - Cross Cloud
release: "264"
---
# Expression Sets for Developers

Developers in your Salesforce org can employ expression set developer resources to use and extend expression sets.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition"><colgroup><col></colgroup><tbody><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: Lightning Experience</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: <strong>Enterprise</strong>, <strong>Unlimited</strong>, and <strong>Developer</strong> Editions for clouds that have Business Rules Engine enabled</td></tr></tbody></table>

## Connect REST API

- [Create an expression set](https://developer.salesforce.com/docs/atlas.en-us.industries_reference.meta/industries_reference/connect_resources_bre_create_expression_set.htm)
- [Update an expression set](https://developer.salesforce.com/docs/atlas.en-us.industries_reference.meta/industries_reference/connect_resources_bre_expression_set_id_patch.htm)
- [Retrieve or delete expression sets](https://developer.salesforce.com/docs/atlas.en-us.industries_reference.meta/industries_reference/connect_resources_bre_expression_set_id_delete_get.htm)
- [Invoke an expression set](https://developer.salesforce.com/docs/atlas.en-us.industries_reference.meta/industries_reference/connect_resources_bre_expression_set.htm)
- [Fetch component guradrails](https://developer.salesforce.com/docs/atlas.en-us.industries_reference.meta/industries_reference/connect_resources_bre_guardrail.htm)

## Metadata API

- [Create an expression set](https://developer.salesforce.com/docs/atlas.en-us.industries_reference.meta/industries_reference/meta_expressionsetdefinition.htm)
- [Create an expression set object field aliases to be used as variables in expression sets](https://developer.salesforce.com/docs/atlas.en-us.industries_reference.meta/industries_reference/meta_expressionsetobjectalias.htm)

## Invocable Actions

- [Invoke an expression set in a flow using expression set action](https://developer.salesforce.com/docs/atlas.en-us.industries_reference.meta/industries_reference/actions_obj_expression_set.htm)