def to_post_request_information(self,request_configuration: Optional[RequestConfiguration[QueryParameters]] = None) -> RequestInformation:
        """
        An API to check validity of the endpoint and and authentication configuration for a customAuthenticationExtension object, which can represent one of the following derived types:
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: RequestInformation
        """
        request_info = RequestInformation(Method.POST, self.url_template, self.path_parameters)
        request_info.configure(request_configuration)
        request_info.headers.try_add("Accept", "application/json")
        return request_info

        An API to check validity of the endpoint and and authentication configuration for a customAuthenticationExtension object, which can represent one of the following derived types:
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: RequestInformation
        
msgraph/generated/identity/custom_authentication_extensions/item/validate_authentication_configuration/validate_authentication_configuration_request_builder.py