def custom_authentication_extensions(self) -> CustomAuthenticationExtensionsRequestBuilder:
        """
        Provides operations to manage the customAuthenticationExtensions property of the microsoft.graph.identityContainer entity.
        """
        from .custom_authentication_extensions.custom_authentication_extensions_request_builder import CustomAuthenticationExtensionsRequestBuilder

        return CustomAuthenticationExtensionsRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the customAuthenticationExtensions property of the microsoft.graph.identityContainer entity.
        
msgraph/generated/identity/identity_request_builder.py