De or het schadevordering?

The correct Dutch article is:

de schadevordering

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

How to use schadevordering

the schadevorderingde schadevordering
this schadevorderingdeze schadevordering
that schadevorderingdie schadevordering
our schadevorderingonze schadevordering
your schadevorderingjouw schadevordering
every schadevorderingelke schadevordering
which schadevordering?welke schadevordering?
a big schadevordering / the big schadevorderingeen grote schadevordering, de grote schadevordering