Understand the situation
I 've 2 model below. I have added a onchange function based on 'requirement_id' . I want to add a domain filter in panel_id field from requirement_id . is it possible to do? my onchange function in this way it's not working

class PanelVendorAssignment(models.Model):

	​_name = "panel.vendor.assignment"
	​requirement_id = fields.Many2one('hr.job', string='Requirement')
	​panel_vendor_assignments_ids = fields.One2many(string='Vendor', comodel_name='panel.vendor.assignment.line',
inverse_name='panel_vendor_assignment_id', tracking=True)

	​@api.onchange('requirement_id')
	​def _onchange_panel_stage(self):
	​	​if self.requirement_id:
	​	​	​panel_stage_ids = self.env['panel.time.slot.availability'].sudo().search(
            [('requirement_id', '=', self.requirement_id.id),('status', '=', 'open')])
        	​	​for rec in panel_stage_ids:
	​	​	​	​domain = [('id', '=', rec.panel_user_id.id)]
            	​	​return {'domain': {'panel_vendor_assignments_ids.panel_id': domain}}

class PanelVendorAssignmentLine(models.Model):
	​_name = 'panel.vendor.assignment.line'
	​panel_vendor_assignment_id = fields.Many2one(comodel_name='panel.vendor.assignment', ondelete='cascade')
	​panel_id = fields.Many2one(comodel_name='res.partner',required=True,)
	​	​