---
schema_version: "1"
id: 145943b780c0b660af194377978227ace682cf1ed8d933d46b0e7ba9ff52faa8
title: ConnectApi.ExtensionsCapabilityInput
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/apexref/apex_connectapi_input_extensions_capability.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_connectapi_input_extensions_capability.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: c7e46e8994c0926da242bd9eaf1e70eabe00ff3f5e37778f310ea23592763bca
description: Create or update extensions associated with a feed element.
---
# ConnectApi.ExtensionsCapabilityInput

Create or update extensions associated with a feed element.

This class is a subclass of [ConnectApi.FeedElementCapabilityInput](https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_connectapi_input_feed_element_capability.htm#apex_connectapi_input_feed_element_capability "A feed element capability.").

<table class="featureTable sort_table" summary="">




          <thead class="thead sorted" align="left">
            <tr>
              <th class="featureTableHeader vertical-align-top " id="d636055e47">Property</th>

              <th class="featureTableHeader vertical-align-top " id="d636055e50">Type</th>

              <th class="featureTableHeader vertical-align-top " id="d636055e53">Description</th>

              <th class="featureTableHeader vertical-align-top " id="d636055e56">Required or Optional</th>

              <th class="featureTableHeader vertical-align-top " id="d636055e59">Available Version</th>

            </tr>

          </thead>

          <tbody class="tbody">
            <tr>
              <td class="entry" headers="d636055e47 d636055e59" data-title="Property"><samp class="codeph apex_code">itemsToAdd</samp></td>

              <td class="entry" headers="d636055e50" data-title="Type">
                <a class="xref" href="https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_methods_system_list.htm#apex_methods_system_list" title="Contains methods for the List collection type.">List</a>&lt;<a class="xref" href="https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_connectapi_input_extension.htm#apex_connectapi_input_extension" title="An extension."><samp class="codeph apex_code">ConnectApi.​ExtensionInput</samp></a>&gt;
              </td>

              <td class="entry" headers="d636055e53" data-title="Description"><span class="ph" id="itemsToAddDesc"><a name="itemsToAddDesc"><!-- --></a>List of extensions to associate with the feed
                  element.</span></td>

              <td class="entry" headers="d636055e56" data-title="Required or Optional">Required for creating an extension<p class="p">Optional for updating an
                  extension</p>
              </td>

              <td class="entry" headers="d636055e47 d636055e59" data-title="Property">40.0</td>

            </tr>

            <tr>
              <td class="entry" headers="d636055e47 d636055e59" data-title="Property"><samp class="codeph apex_code">itemsToRemove</samp></td>

              <td class="entry" headers="d636055e50" data-title="Type">
                <a class="xref" href="https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_methods_system_list.htm#apex_methods_system_list" title="Contains methods for the List collection type.">List</a>&lt;String&gt;
              </td>

              <td class="entry" headers="d636055e53" data-title="Description"><span class="ph" id="itemsToRemoveDesc"><a name="itemsToRemoveDesc"><!-- --></a>List of attachment IDs to remove from the feed
                  element.</span></td>

              <td class="entry" headers="d636055e56" data-title="Required or Optional">Optional for updating an extension<p class="p">Don’t specify for creating an
                  extension</p>
              </td>

              <td class="entry" headers="d636055e47 d636055e59" data-title="Property">41.0</td>

            </tr>

          </tbody>

        </table>

#### See Also

- [ConnectApi.FeedElementCapabilitiesInput](https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_connectapi_input_feed_element_capabilities.htm "A container for all capabilities that can be included when creating a feed element.")