---
schema_version: "1"
id: 8ff27587909d0b9d43e656adda21ad69b944cb761b02e4b92d7aab8757abdd9e
title: Extend Existing Context Definitions
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/ind/264-0-0/comms_extend_existing_context_definitions.md
canonical_url: https://help.salesforce.com/s/articleView?id=ind.comms_extend_existing_context_definitions.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 58701606ecffcb8feca3e7cc5ee991b9ede4604bf76a40425ddf16aacc671b2c
description: You can add new mappings or include extra fields in existing ones. Make sure that no new attribute or mapping begins with the CME prefix. Include more parameters, which can create more granular decomposition and orchestration rules.
products:
  - Communications
  - Media
  - Energy and Utilities
release: "264"
---
# Extend Existing Context Definitions

You can add new mappings or include extra fields in existing ones. Make sure that no new attribute or mapping begins with the CME prefix. Include more parameters, which can create more granular decomposition and orchestration rules.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition"><colgroup><col style="width:100%"></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> Edition.</td></tr></tbody></table>

See, [CME Sales Transaction Extension](https://help.salesforce.com/s/articleView?id=ind.context_service_view_edit_saved_context_definitions.htm&type=5&language=en_US) for more information on modifying the context definition.