---
schema_version: "1"
id: fcad3ede033db50740e64ea703ad843618051225d54cd6cb9d69916daa797bd2
title: Support Namespace
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/apexref/apex_namespace_Support.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_namespace_Support.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: bd20959b4226a14400d168a613641c19db11a35dbe275a82ac9167b7521c9e51
description: The Support namespace provides an interface used for Case Feed.
---
# Support Namespace

The Support namespace provides an interface used for Case Feed.

The following is the interface in the Support namespace.

- **[EmailTemplateSelector Interface](https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_email_template_selector.htm#apex_email_template_selector)**  
    The Support.EmailTemplateSelector interface enables providing default email templates in Case Feed. With default email templates, specified email templates are preloaded for cases based on criteria such as case origin or subject.
- **[MilestoneTriggerTimeCalculator Interface](https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_interface_support_milestonetriggertimecalculator.htm#apex_interface_support_milestonetriggertimecalculator)**  
    The Support.MilestoneTriggerTimeCalculator interface calculates the time trigger for a milestone.