How can a wife claim her rights from ex-husband after divorce and leaving the UAE?

Assalamu Alaikum

I am a Pakistani woman currently living in Pakistan. I am stuck in a case where I am already divorced by a man, who is currently living in Dubai, 7 months ago after 4 years of marriage.

I also lived in Dubai after marriage for a few months on & off. The main issue now is his family in Pakistan & him in Dubai are not giving me back my dowry, my Haq Mehar & maintenance amount (which a woman can claim for not giving her a penny as a monthly allowance for years during marriage).

They are demanding to return 3 gold sets to them first which they have given me as a gift at the time of the wedding & engagement. I am not obliged to do so as they are mine now according to the shariah law.

I would have given them back if they were good poor people. I don't feel like fulfilling their illegal demand as they have ruined my life.

If I file a case in Pakistan to claim my things back, can the UAE's law help me out too to pressurize him to do the right thing?

Thank you