def METHOD_NAME(fleet_name: Optional[str] = None,
                   resource_group_name: Optional[str] = None,
                   update_run_name: Optional[str] = None,
                   opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetUpdateRunResult:
    """
    Get a UpdateRun
    :param str fleet_name: The name of the Fleet resource.
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    :param str update_run_name: The name of the UpdateRun resource.
    """
    __args__ = dict()
    __args__['fleetName'] = fleet_name
    __args__['resourceGroupName'] = resource_group_name
    __args__['updateRunName'] = update_run_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:containerservice/v20230315preview:getUpdateRun', __args__, opts=opts, typ=GetUpdateRunResult).value
    return AwaitableGetUpdateRunResult(
        e_tag=pulumi.get(__ret__, 'e_tag'),
        id=pulumi.get(__ret__, 'id'),
        managed_cluster_update=pulumi.get(__ret__, 'managed_cluster_update'),
        name=pulumi.get(__ret__, 'name'),
        provisioning_state=pulumi.get(__ret__, 'provisioning_state'),
        status=pulumi.get(__ret__, 'status'),
        strategy=pulumi.get(__ret__, 'strategy'),
        system_data=pulumi.get(__ret__, 'system_data'),
        type=pulumi.get(__ret__, 'type'))