def METHOD_NAME(domain_name: Optional[pulumi.Input[str]] = None,
                            domain_topic_name: Optional[pulumi.Input[str]] = None,
                            resource_group_name: Optional[pulumi.Input[str]] = None,
                            opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetDomainTopicResult]:
    """
    Get properties of a domain topic.
    :param str domain_name: Name of the domain.
    :param str domain_topic_name: Name of the topic.
    :param str resource_group_name: The name of the resource group within the user's subscription.
    """
    ...