If you don't have dynlights in your configuration files, you can edit them in:
Make a file named gzdoom_things.cfg in your Doom Builder Configurations/Include folder, with this content:
 Spoiler: 
Code: Select all
gzdoom
{
	dynlights
	{
		color = 7;
		arrow = 0;
		title = "Dynamic Lights";
		sort = 1;
		width = 0;
		height = 0;
		hangs = 0;
		blocking = 0;
		fixedsize = true;
		sprite = "internal:action";
		9800
		{
			title = "Light";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Intensity";
			}
		}
		9801
		{
			title = "Light Pulse";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Start intensity";
			}
			arg4
			{
				title = "End intensity";
			}
		}
		9802
		{
			title = "Light Flicker";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Primary intensity";
			}
			arg4
			{
				title = "Secondary intensity";
			}
		}
		9803
		{
			title = "Light Sector";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Intensity scale";
			}
		}
		9804
		{
			title = "Light Random";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Minimal intensity";
			}
			arg4
			{
				title = "Maximal intensity";
			}
		}
		9810
		{
			title = "Light, Additive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Intensity";
			}
		}
		9811
		{
			title = "Light Pulse, Additive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Start intensity";
			}
			arg4
			{
				title = "End intensity";
			}
		}
		9812
		{
			title = "Light Flicker, Additive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Primary intensity";
			}
			arg4
			{
				title = "Secondary intensity";
			}
		}
		9813
		{
			title = "Light Sector, Additive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Intensity scale";
			}
		}
		9814
		{
			title = "Light Random, Additive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Minimal intensity";
			}
			arg4
			{
				title = "Maximal intensity";
			}
		}
		9820
		{
			title = "Light, Subtractive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Radius";
			}
		}
		9821
		{
			title = "Light Pulse, Subtractive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Start intensity";
			}
			arg4
			{
				title = "End intensity";
			}
		}
		9822
		{
			title = "Light Flicker, Subtractive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Primary intensity";
			}
			arg4
			{
				title = "Secondary intensity";
			}
		}
		9823
		{
			title = "Light Sector, Subtractive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Intensity scale";
			}
		}
		9824
		{
			title = "Light Random, Subtractive";
			arg0
			{
				title = "Red";
			}
			arg1
			{
				title = "Green";
			}
			arg2
			{
				title = "Blue";
			}
			arg3
			{
				title = "Minimal intensity";
			}
			arg4
			{
				title = "Maximal intensity";
			}
		}
		9825 = "Vavoom Light";
		1502
		{
			title = "Vavoom Light ";
			arg0
			{
				title = "Radius";
			}
		}
		1503
		{
			title = "Vavoom Light Color";
			arg0
			{
				title = "Radius";
			}
			arg1
			{
				title = "Red";
			}
			arg2
			{
				title = "Green";
			}
			arg3
			{
				title = "Blue";
			}
		}
	}
}
(Spoilered for bigness.)
In your main configuration file (the one that's not in /Include), look for a block like this:
Code: Select all
thingtypes
{
	include("Includes\\stuff.cfg");
	include("Includes\\more_stuff.cfg");
}
(the names of the included files won't be the same, obviously.)
Add a line like this in the thingtypes block:
Code: Select all
	include("Includes\\GZDoom_things.cfg", "gzdoom");