title: How I retrieve a extensionProperty on B2C?
body: <p>We are trying to work with B2E optional claims … we followed this doc and this to create the extension Claim at B2E, than populate it with some value… and enable it on Token Conf/Manifest. We also setup de XML with the PartnerClaimType but we can’t receive the Claim from B2E. Do you have some tip or idea why we cant receive the claim?</p>
  <p>Defaults claims works fine, but optional… we spent at least 2 days with tons of tests… =(</p>
  <pre><code>Extension Claim
  {
  &quot;@odata.context&quot;: &quot;https://graph.microsoft.com/beta/$metadata#applications('XXX9f805-40cb-41af-80ae-c63201919XXX')/extensionProperties&quot;,
  &quot;value&quot;: [
  {
  &quot;id&quot;: &quot;XXX707f9-8cdb-4cfa-996e-59da8512fXXX&quot;,
  &quot;deletedDateTime&quot;: null,
  &quot;appDisplayName&quot;: &quot;&quot;,
  &quot;name&quot;: &quot;extension_XXXb714c01374c3e89a7c700bbd0eXXX_perfil&quot;,
  &quot;dataType&quot;: &quot;String&quot;,
  &quot;isSyncedFromOnPremises&quot;: false,
  &quot;targetObjects&quot;: [&quot;User&quot;]
  }
  ]
  }
  
  Populated claim from and User
  { &quot;extension_XXXb714c01374c3e89a7c700bbd0eXXX_perfil&quot;: &quot;tempinfo&quot;,
  }
  
  B2E App Manifest
  &quot;saml2Token&quot;: [
  {
  &quot;name&quot;: &quot;extension_XXXb714c01374c3e89a7c700bbd0eXXX_perfil&quot;,
  &quot;source&quot;: &quot;user&quot;,
  &quot;essential&quot;: false,
  &quot;additionalProperties&quot;: []
  }
  ]
  </code></pre>
  <p>OpenId ClaimProvider</p>
  <p>Obs.: we also tried “extension_perfil” and “extn.perfil”</p>
  <p>References:</p>
  <p><a href="https://docs.microsoft.com/en-us/graph/api/resources/extensionproperty?view=graph-rest-1.0" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/graph/api/resources/extensionproperty?view=graph-rest-1.0</a></p>
  <p><a href="https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-optional-claims" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-optional-claims</a></p>