How does the in-game chat work?' Chat only works in multiplayer. Press [Enter] to open the text box.Type the message and confirm with [Enter] to send the message to all players on the map.
The camera does not take up any space in the inventory nor can you remove it from your inventory. It can be accessed by holding the "X" button on Xbox, "Square" on Playstation 4, and the "P" Key on PC. On PC pictures taken with the camera in-game will be saved on the computer.