1. Go to Applications > Applications.
  2. Locate the application for which you want to map attributes. You can browse or search for applications. To add an application, see Adding an application.
  3. Click the application entry to open the details panel for the application.
  4. Click the Attribute Mappings tab, and then click the pencil icon.
  5. Click + Add attribute.
  6. Enter the following:
    • Application attribute. Enter the custom application attribute, such as account ID.
    • Outgoing value. Select an attribute in the list, such as User ID. You can browse or search for attributes.
  7. If the value is a required attribute for the application, select the Required check box.

    If you request an ID token with a claim that is marked as required but doesn’t have a value, PingOne will return an error. If the value is not marked as required and doesn’t have a value, the property will be omitted from the token.

  8. To use the expression builder, click Advanced expression. For more information, see Using the expression builder.
  9. Click Save.