They vary depending on what option you choose. Please see the followings:

with a Smartphone (1 ID - Selfie option)
Please select one identification document from the below:
Driver's Licence, Individual Number Card (My Number Card ), or Residence Card

with a PC or a Tablet (2 ID option)
Please select two identification documents from the below:
Driver's Licence, Individual Number Card (My Number Card ), Residence Card, or Health Insurance Card