De or het geldvordering?

The correct Dutch article is:

de geldvordering

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

How to use geldvordering

the geldvorderingde geldvordering
this geldvorderingdeze geldvordering
that geldvorderingdie geldvordering
our geldvorderingonze geldvordering
your geldvorderingjouw geldvordering
every geldvorderingelke geldvordering
which geldvordering?welke geldvordering?
a big geldvordering / the big geldvorderingeen grote geldvordering, de grote geldvordering