De or het tokening?

The correct Dutch article is:

de tokening

Rule Words ending in -ing: almost always de. See the rule

This word is not in the word lists we use to double-check answers.

How to use tokening

the tokeningde tokening
this tokeningdeze tokening
that tokeningdie tokening
our tokeningonze tokening
your tokeningjouw tokening
every tokeningelke tokening
which tokening?welke tokening?
a big tokening / the big tokeningeen grote tokening, de grote tokening