From 5fbcda950b016e5286cccb0466273b5d6aad4fff Mon Sep 17 00:00:00 2001
From: Sam Atkins <atkinssj@serenityos.org>
Date: Thu, 11 Aug 2022 17:46:13 +0100
Subject: [PATCH] Documentation: Add missing step when creating a new IDL type

If you use your new IDL class as a type in an IDL file without doing
this, you'll get confusing error messages.
---
 Documentation/Browser/AddNewIDLFile.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/Browser/AddNewIDLFile.md b/Documentation/Browser/AddNewIDLFile.md
index e9951d4c36..1024e728c6 100644
--- a/Documentation/Browser/AddNewIDLFile.md
+++ b/Documentation/Browser/AddNewIDLFile.md
@@ -44,3 +44,6 @@ interface CSSRule {
    - Elements: [`LibWeb/Bindings/NodeWrapperFactory.cpp`](../../Userland/Libraries/LibWeb/Bindings/NodeWrapperFactory.cpp)
 
    Open the relevant wrapper factory file, and add `#include` directives and an `if` statement for your new type.
+
+8. If your type isn't an Event or Element, you will need to add it to [`is_wrappable_type()`](../../Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp)
+   so that it can be accepted as an IDL parameter, attribute or return type.