De or het vakvermelding?

The correct Dutch article is:

de vakvermelding

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

How to use vakvermelding

the vakvermeldingde vakvermelding
this vakvermeldingdeze vakvermelding
that vakvermeldingdie vakvermelding
our vakvermeldingonze vakvermelding
your vakvermeldingjouw vakvermelding
every vakvermeldingelke vakvermelding
which vakvermelding?welke vakvermelding?
a big vakvermelding / the big vakvermeldingeen grote vakvermelding, de grote vakvermelding