It’s always worked in the past.

Just look at what UNRWA accomplished. They did a smash up job.
Germany, France call for UN role to secure peace in Gaza – Despite Trump’s aversion to the United Nations, the proposal could gain traction should Arab countries join the push.
Berlin and Paris are pushing for the United Nations to play a key role in maintaining peace in Gaza as the next, and potentially thorniest phase of U.S. President Donald Trump’s peace plan begins.