It was very quick, and specific to my application. They were running very late and the interview only lasted about 15 minutes. There was a panel of about 6 people on zoom. The entire interview was conducted in Spanish.
Me postulé a través de otra fuente. Acudí a una entrevista en COMEXUS
Entrevista
It was about 15 minutes for ETA. The people were really nice. They all asked really specific questions about my application while still being really general. So, if you really know your application, it should be fine