Configure application properties in the IAM Identity Center console - Amazon IAM Identity Center
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Configure application properties in the IAM Identity Center console

In IAM Identity Center you can customize the user experience by configuring the application start URL, relay state, and session duration.

Application start URL

You use an application start URL to start the federation process with your application. The typical use is for an application that supports only service provider (SP)-initiated binding.

The following steps and diagram illustrate the application start URL authentication workflow when a user chooses an application in the Amazon Web Services access portal:

  1. The user’s browser redirects the authentication request using the value for the application start URL (in this case

  2. The application sends an HTML POST with a SAMLRequest to IAM Identity Center.

  3. IAM Identity Center then sends an HTML POST with a SAMLResponse back to the application.

Relay state

During the federation authentication process, the relay state redirects users within the application. For SAML 2.0, this value is passed, unmodified, to the application. After the application properties are configured, IAM Identity Center sends the relay state value along with a SAML response to the application.

Session duration

Session duration is the length of time for which an application user session is valid. For SAML 2.0, this is used to set the SessionNotOnOrAfter date of the SAML assertion's element saml2:AuthNStatement.

Session duration can be interpreted by applications in either of the following ways:

  • Applications can use it to determine the maximum time that is allowed for the user's session. Applications might generate a user session with a shorter duration. This can happen when the application only supports user sessions with a duration that is shorter than the configured session length.

  • Applications can use it as the exact duration and might not allow administrators to configure the value. This can happen when the application only supports a specific session length.

For more information about how session duration is used, see your specific application’s documentation.