def METHOD_NAME(apm_name: Optional[str] = None,
            resource_group_name: Optional[str] = None,
            service_name: Optional[str] = None,
            opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetApmResult:
    """
    Get the APM by name.
    :param str apm_name: The name of the APM
    :param str resource_group_name: The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
    :param str service_name: The name of the Service resource.
    """
    __args__ = dict()
    __args__['apmName'] = apm_name
    __args__['resourceGroupName'] = resource_group_name
    __args__['serviceName'] = service_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:appplatform/v20230701preview:getApm', __args__, opts=opts, typ=GetApmResult).value
    return AwaitableGetApmResult(
        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'))