To enable IDCS out of the box support for OAuth follow below mentioned steps.

update DIGX_FW_CONFIG_ALL_B set prop_value = <SSO_PROVIDER_URL> where prop_id = 'SSO_PROVIDER_URL';

1. Replace <SSO_PROVIDER_URL> with respective SSO provider URL.
2. Restart all the managed servers.

For configuring any other service provider, a custom class needs to be written which implements com.ofss.digx.app.sms.service.user.external.IExternalUser interface.

The entry for the new custom class has to be made in database using the below script -

update DIGX_FW_CONFIG_ALL_B set prop_value = <SSO_PROVIDER_CLASS> where prop_id = 'SSO_PROVIDER_CLASS';

3. Replace <SSO_PROVIDER_CLASS> with the fully qualified name of the new custom class.
4. Also below queries need to be executed as well if there are any changes in the configuration-
   update DIGX_FW_CONFIG_ALL_B set prop_value = <SSO_PROVIDER_TOKEN_SCOPE> where prop_id = 'SSO_PROVIDER_TOKEN_SCOPE';update DIGX_FW_CONFIG_ALL_B set prop_value = <SSO_PROVIDER_TOKEN_URI> where prop_id = 'SSO_PROVIDER_TOKEN_URI';update DIGX_FW_CONFIG_ALL_B set prop_value = <SSO_PROVIDER_URL> where prop_id = 'SSO_PROVIDER_URL';update DIGX_FW_CONFIG_ALL_B set prop_value = <SSO_PROVIDER_USER_READ_URI> where prop_id = 'SSO_PROVIDER_USER_READ_URI';
5. Restart all the servers in domain.