I see. Thank you for clarifying the situation for me, Malynne.
The first step would typically involve documenting the incidents and bringing them to your ex's attention. It is usually best to put such communications in writing, either by e-mail or certified mail, so you have proof you have notified your ex that he is violating the court's order and provided him with a reasonable opportunity to rectify the situation before filing a motion with the court.
If he continues to violate the court's order, then you would typically want to file a petition for order to show cause with the court, requesting that the court hold your ex in contempt and even jail him until he complies with the court's order.
Here is a link to a form and instructions to file the petition:
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