diff --git a/doc/classes/RenderingServer.xml b/doc/classes/RenderingServer.xml
index 878b685c67c..9c1e53d92b0 100644
--- a/doc/classes/RenderingServer.xml
+++ b/doc/classes/RenderingServer.xml
@@ -4272,6 +4272,9 @@
 		</constant>
 		<constant name="LIGHT_PARAM_TRANSMITTANCE_BIAS" value="19" enum="LightParam">
 		</constant>
+		<constant name="LIGHT_PARAM_INTENSITY" value="20" enum="LightParam">
+			Constant representing the intensity of the light, measured in Lumens when dealing with a [SpotLight3D] or [OmniLight3D], or measured in Lux with a [DirectionalLight3D]. Only used when [member ProjectSettings.rendering/lights_and_shadows/use_physical_light_units] is [code]true[/code].
+		</constant>
 		<constant name="LIGHT_PARAM_MAX" value="21" enum="LightParam">
 			Represents the size of the [enum LightParam] enum.
 		</constant>
diff --git a/servers/rendering_server.cpp b/servers/rendering_server.cpp
index a913f82f842..0c5c263265c 100644
--- a/servers/rendering_server.cpp
+++ b/servers/rendering_server.cpp
@@ -1933,6 +1933,7 @@ void RenderingServer::_bind_methods() {
 	BIND_ENUM_CONSTANT(LIGHT_PARAM_SHADOW_OPACITY);
 	BIND_ENUM_CONSTANT(LIGHT_PARAM_SHADOW_BLUR);
 	BIND_ENUM_CONSTANT(LIGHT_PARAM_TRANSMITTANCE_BIAS);
+	BIND_ENUM_CONSTANT(LIGHT_PARAM_INTENSITY);
 	BIND_ENUM_CONSTANT(LIGHT_PARAM_MAX);
 
 	BIND_ENUM_CONSTANT(LIGHT_BAKE_DISABLED);