De or het succeservaring?

The correct Dutch article is:

de succeservaring

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

How to use succeservaring

the succeservaringde succeservaring
this succeservaringdeze succeservaring
that succeservaringdie succeservaring
our succeservaringonze succeservaring
your succeservaringjouw succeservaring
every succeservaringelke succeservaring
which succeservaring?welke succeservaring?
a big succeservaring / the big succeservaringeen grote succeservaring, de grote succeservaring