def METHOD_NAME(failover_group_name: Optional[str] = None,
                       resource_group_name: Optional[str] = None,
                       sql_managed_instance_name: Optional[str] = None,
                       opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetFailoverGroupResult:
    """
    Retrieves a failover group resource
    :param str failover_group_name: The name of the Failover Group
    :param str resource_group_name: The name of the Azure resource group
    :param str sql_managed_instance_name: Name of SQL Managed Instance
    """
    __args__ = dict()
    __args__['failoverGroupName'] = failover_group_name
    __args__['resourceGroupName'] = resource_group_name
    __args__['sqlManagedInstanceName'] = sql_managed_instance_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:azurearcdata/v20230115preview:getFailoverGroup', __args__, opts=opts, typ=GetFailoverGroupResult).value
    return AwaitableGetFailoverGroupResult(
        id=pulumi.get(__ret__, 'id'),
        name=pulumi.get(__ret__, 'name'),
        properties=pulumi.get(__ret__, 'properties'),
        system_data=pulumi.get(__ret__, 'system_data'),
        type=pulumi.get(__ret__, 'type'))