Follow first the SSO instructions guide to configure your SSO provider.
Once your identity provider has been configured, provide Synthesia support team with the following details:
Metadata URL
This will be made available by your identity provider once Synthesia has been configured as an application.
Identifiers
These are the domain(s) that you wish to be associated with SAML SSO (for example,
example.com). For these domains, all other methods of login will be disabled.