iframe.bookingCompleted

// Sample DL Push
dataLayer.push({
  iframe: {
    pageData: {
      url: "",
      title: "DEMO-Appointment Booking"
    },
    data: {
      booking_api_hash: "6728b41c18a724.xxxxxx",
      appointment_ids: [123, 456, 789],
      pms_appointment_ids: ["first-appt", "second-apt", "third-apt"]
    }
  },
  event: "iframe.bookingCompleted",
});


// Stringified Appointment IDs
function() {
  // Assume the data layer key iframe.data.appointment_ids saves as data layer variable already
  var appointmentIds = {{dlv - iframe.data.appointment_ids}};
  if (Array.isArray(appointmentIds)) {
    return appointmentIds.join(","); // Expected outcome: "123,456,789"
  }
  return "";
}

// Stringified PMS Appointment IDs
function() {
  var pmsAppointmentIds = {{dlv - iframe.data.pms_appointment_ids}};
  if (Array.isArray(pmsAppointmentIds)) {
    return pmsAppointmentIds.join(","); // Expected outcome: "first-appt,second-apt,third-apt"
  }
  return "";
}