| Value Name | Data Type | Value Data | 
|---|---|---|
| UseOpenIdConnectAuthentication | DWORD | If set to 1, enables SAML authentication. | 
| PowerWebAppUrl | String | URL used to connect to PowerWeb. This must be the same URL as the one provided to the SAML identity provider, for example, http://<MyDomain>/meridian. | 
| TenantId | String | Meridian Portal tenancy name. | 
| IssuerUri | String | URL of the Meridian Cloud authentication server: https://auth-ci2.meridiancloud.io/auth. | 
| ClientId | String | Value entered during registration with the SAML identity provider: mvc.owin.implicit. | 
| ClientSecret | String | Value entered during registration with the SAML identity provider. | 
| AccessTokenHeaderName | String | Random value comprised of letters, digits, and underscores but no dashes, for example, AccessToken91ac5084bcc34faa8f27de9080ac2325. | 
| SubjectHeaderName | String | Random value comprised of letters, digits, and underscores but no dashes, for example, Subject_91ac5084_bcc3_4faa_8f27_de9080ac2325. | 
