Good Morning Domagoj.
I found an example, based on a data object query. Perhaps it can get you started?
CheckRequestHasCost: function(reqId){
ca_reportQuery('3afcea41214ad-e0bb3db152ac6628c8-6a811454941440449',
{'req_id':reqId},
function(rows)
{
var cost = rows[0]['has_cost'];
if(cost == '1'){
ca_fdSetTextFieldValue(ca_fd.formId, 'has_cost', cost);
ca_fdShowFields(ca_fd.formId, ['frameEcon', 'attest_userid_locked']);
else{
ca_fdSetTextFieldValue(ca_fd.formId, 'has_cost', cost);
ca_fdHideFields(ca_fd.formId, ['attest_userid', 'frameEcon', 'attest_userid_locked']);
}
ca_fd.js.SetRequestMode(reqId);
},
ca_fd.js.onFailureFetch);
},
Kind regards, Louis.