1. Go to Authentication > OAuth > Policy Contract Grant Mapping.
  2. In the Policy Contract menu, select your policy contract, and click Add Mapping.
  3. On the Attribute Sources & User Lookup tab, click Next.
  4. On the Contract Fulfillment tab, map the User_Key to the username from the policy contract.
    1. Beside User_Key, select Authentication Policy Contract in the Source menu and the policy contract's username in the Value menu.
    2. Beside User_Name, select Authentication Policy Contract in the Source menu and the policy contract's username in the Value menu.
    3. Click Next.
  5. On the Issuance Criteria tab, click Next.
  6. On the Summary tab, verify your configuration, and click Save.
    Screen capture of the Policy Contract Mapping tab in which you configure the User_Key and the User_Name.