Share Email Facebook Twitter LinkedIn Commands for Adjusting and Manipulating Lights in Your Drawings Use these commands and system variables to control the display and placement of lights. Commands LIGHTLIST (Command) LIGHTLISTCLOSE (Command) RENDERENVIRONMENT (Command) RENDEREXPOSURE (Command) System Variables EXPVALUE (System Variable) EXPWHITEBALANCE (System Variable) IBLENVIRONMENT (System Variable) LIGHTGLYPHDISPLAY (System Variable) RENDERUSERLIGHTS (System Variable)