Set placeholder

Sets a specific placeholder for all the combo boxes that have a certain key.

(function () {
    let key = "MyKey";
    let placeholderText = "Placeholder";
    let doc = Api.GetDocument();

    doc.GetAllForms()
        .filter(field => field.GetFormType() === "comboBoxForm" && field.GetFormKey() === key)
        .forEach(field => field.SetPlaceholderText(placeholderText));
})();

Methods used: GetDocument, GetAllForms, GetFormType, GetFormKey, SetPlaceholderText

Result