def METHOD_NAME(key_type: Optional[pulumi.Input[Optional[Union[str, 'KeyType']]]] = None,
                                                      not_after: Optional[pulumi.Input[Optional[str]]] = None,
                                                      resource_group_name: Optional[pulumi.Input[str]] = None,
                                                      trigger_name: Optional[pulumi.Input[str]] = None,
                                                      version_id: Optional[pulumi.Input[str]] = None,
                                                      workflow_name: Optional[pulumi.Input[str]] = None,
                                                      opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[ListWorkflowVersionTriggerCallbackUrlResult]:
    """
    Get the callback url for a trigger of a workflow version.
    :param Union[str, 'KeyType'] key_type: The key type.
    :param str not_after: The expiry time.
    :param str resource_group_name: The resource group name.
    :param str trigger_name: The workflow trigger name.
    :param str version_id: The workflow versionId.
    :param str workflow_name: The workflow name.
    """
    ...