2
According to this :
https://www.cbsa-asfc.gc.ca/btb-pdf/eedcu-cudes-eng.html
Exit data includes biographic information such as:
first name
middle name(s)
last name
date of birth
citizenship or nationality
gender
travel document type, number and name of the country that issued the travel document
So, I assume it'll get your foreign passport ID.
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