pjs.ds()
pjs.ds() returns a data structure reference. It is mainly used with  Record Level Access and User Interface API to store the resulting buffer into a data structure.
Parameters
Name of a data structure
Return Value
This function will return a JavaScript object with two properties:
name - the name of the data structure passed in
fieldsArr - array of field scopes
Example
pjs.defineTable("productsp", { read: true, keyed: true, levelIds: [ '4AFA8C636F' ] });
pjs.define("myDs", {
type: 'data structure',
likeRec: 'products'
});
pjs.define("data", { type: 'char', length: 50, varying: true });
productsp.getRecord([114], false, null, pjs.ds("myDs"));
if (productsp.found()) {
data = pjs.char(myDs.prid);
}