This command equips the target with the specified item. The item must be in the inventory of the target.
equipitem [item id] Target Command
|Item ID||The ID of the item the target should equip.|
The above command would make your character equip the chef hat item, provided it is in your inventory.
This command would make the NPC with reference ID ff0084953 equip a chef hat. They need to have it in their inventory in order for this command to work.