Instructions
Walk to the spot on the map where you wish to insert an object.
Press the "Q" key on your keyboard to open the game's main menu.
Click in the left-hand pane on the object that you wish to insert. You can select different types of objects by clicking on their respective tabs. For example, to spawn a vehicle, select the "Vehicles" tab and click on the vehicle you wish to spawn. The object will appear on the map in front of your character.