---
schema_version: "1"
id: e7f057979ece24e9a012b698727a95ed2bdf77ad4053e1f1a059cedc81f1da1d
title: ConnectApi.ExtensionDefinitions
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/apexref/apex_connectapi_output_extension_definition_collection.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_connectapi_output_extension_definition_collection.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: 94f53bec2cb8217855623007fb929cd7b9acb607e6213f09b4f505af0d60668c
description: A collection of extension definitions.
---
# ConnectApi.ExtensionDefinitions

A collection of extension definitions.

| Property Name | Type | Description | Available Version |
| --- | --- | --- | --- |
| currentPageToken | String | Token identifying the current page. | 40.0 |
| currentPageUrl | String | Connect REST API URL identifying the current page. | 40.0 |
| extension​Definitions | [List](https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_methods_system_list.htm#apex_methods_system_list "Contains methods for the List collection type.")<[ConnectApi.​ExtensionDefinition](https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_connectapi_output_extension_definition.htm#apex_connectapi_output_extension_definition "An extension's definition.")\> | Collection of extension definitions. | 40.0 |
| nextPageToken | String | Token identifying the next page, or null if there isn’t a next page. | 40.0 |
| nextPageUrl | String | Connect REST API URL identifying the next page, or null if there isn’t a next page. | 40.0 |
| total | Integer | Total number of extensions returned. | 40.0 |