def by_email_authentication_method_id(self,email_authentication_method_id: str) -> EmailAuthenticationMethodItemRequestBuilder:
        """
        Provides operations to manage the emailMethods property of the microsoft.graph.authentication entity.
        param email_authentication_method_id: The unique identifier of emailAuthenticationMethod
        Returns: EmailAuthenticationMethodItemRequestBuilder
        """
        if email_authentication_method_id is None:
            raise TypeError("email_authentication_method_id cannot be null.")
        from .item.email_authentication_method_item_request_builder import EmailAuthenticationMethodItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["emailAuthenticationMethod%2Did"] = email_authentication_method_id
        return EmailAuthenticationMethodItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the emailMethods property of the microsoft.graph.authentication entity.
        param email_authentication_method_id: The unique identifier of emailAuthenticationMethod
        Returns: EmailAuthenticationMethodItemRequestBuilder
        
msgraph/generated/users/item/authentication/email_methods/email_methods_request_builder.py