How can I access BDM api in Serverless API pipeline?

[liusigou]

There is an workflow PHP which can access bdm API of about. as following, But it fails when I try to access the bdm API of about in ServerLess Api pipeline.

the work flow php scrit is following

// from https://resources.elluciancloud.com/bundle/ellucian_workflow_acn_use/page/t_define_a_script_to_obtain_bdm_about_information_2_x.html

$output["bdmResponseError"] = "";
$response = $ethos->getDataModel("bdm-about","");
if ($response->isError) {
$output["bdmResponseError"] = $response->errorMessage;
return $output;
}
//$output["bdmNextStep"] = $data["bdmNextStep"] +1;
$output["bdmAboutInfo"] = json_encode($response->dataObj,JSON_PRETTY_PRINT);
return $output;