I didn't find the mod controls anywhere so...
// key for selecting partner
partner_select=NumPad0
//key for command partner to follow You
partner_follow=NumPad1
// key for command partner to arrest closest ped (DOESN'T WORK FOR NOW due to some limitations)
partner_arrest=NumPad2
// key for command partner to attack closest ped
partner_attack=NumPad3
// key for command partner to halt
partner_stop=NumPad4