b. In the **Reply URL** text box, type the URL:
`https://trtasso.thomson.com/sp/ACS.saml2`
[](./media/thomson-reuters-account-tutorial/save-button.png#lightbox)
1. Thomson Reuters Account application expects the SAML assertions in a specific format, which requires you to add custom attribute mappings to your SAML token attributes configuration. The following screenshot shows the list of default attributes, whereas **nameidentifier** is mapped with **user.userprincipalname**. Thomson Reuters Account application expects **nameidentifier** to be mapped with **user.objectid**, so you need to edit the attribute mapping by selecting **Edit** icon and change the attribute mapping.
1. If you have chosen the **Identifier (Entity ID)** as `trtasso.thomson.com_TRAccount`, then select the **Edit** option in **Attributes and Claims** and in the next page, select and expand **Advanced settings**, select the **Edit** option right next to **Advanced SAML claims** options. Once you do that, a pane will appear to the right from which you have to check the **Append application ID to issuer** and select **Save**.
[](./media/thomson-reuters-account-tutorial/attributes.png#lightbox)
1. On the **Set up single sign-on with SAML** page, in the SAML Signing Certificate section, select copy button to copy **App Federation Metadata Url**.
b. In the **Reply URL** text box, type the URL:
`https://trtasso.thomson.com/sp/ACS.saml2`
1. Thomson Reuters Account application expects the SAML assertions in a specific format, which requires you to add custom attribute mappings to your SAML token attributes configuration. The following screenshot shows the list of default attributes, whereas **nameidentifier** is mapped with **user.userprincipalname**. Thomson Reuters Account application expects **nameidentifier** to be mapped with **user.objectid**, so you need to edit the attribute mapping by selecting **Edit** icon and change the attribute mapping.
1. If you have chosen the **Identifier (Entity ID)** as `trtasso.thomson.com_TRAccount`, then select the **Edit** option in **Attributes and Claims** and in the next page, select and expand **Advanced settings**, select the **Edit** option right next to **Advanced SAML claims** options. Once you do that, a pane will appear to the right from which you have to check the **Append application ID to issuer** and select **Save**.
1. On the **Set up single sign-on with SAML** page, in the SAML Signing Certificate section, select copy button to copy **App Federation Metadata Url**.
