There are 2 components in Social that can be overridden: Space Application Handler & Space Service
* *Space Application Handler*
{code:xml}
<component>
    <key>org.exoplatform.social.core.space.spi.SpaceApplicationHandler</key>
    <type>org.exoplatform.social.core.space.impl.DefaultSpaceApplicationHandler</type>
  </component>
{code}

* *Space Service* 
{code:xml}
<component>
    <key>org.exoplatform.social.core.space.spi.SpaceService</key>
    <type>org.exoplatform.social.core.space.impl.SpaceServiceImpl</type>
    <init-params>
      <!-- Configure the applications to install in a space -->
      <values-param>
        <name>space.homeNodeApp</name>
        <value>SpaceActivityStreamPortlet</value>
      </values-param>
      <!-- Configure removable application or not <value>Application:removable</value> -->
      <values-param>
        <name>space.apps</name>
        <value>DashboardPortlet:true</value>
        <value>SpaceSettingPortlet:false</value>
        <value>MembersPortlet:true</value>
      </values-param>
    </init-params>
  </component>
{code}
