diff --git a/.gitmodules b/.gitmodules
index 9654e670..17a45d9c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -224,3 +224,7 @@
 [submodule "addons/lsqlite3/module"]
 	path = addons/lsqlite3/module
 	url = https://github.com/KaitlynEthylia/LuaSQLite3-annotations
+[submodule "addons/X4/module"]
+	path = addons/X4/module
+	url = https://github.com/chemodun/X4-LuaLSAddon.git
+	branch = publish
diff --git a/addons/X4/info.json b/addons/X4/info.json
new file mode 100644
index 00000000..230ba96f
--- /dev/null
+++ b/addons/X4/info.json
@@ -0,0 +1,7 @@
+{
+  "$schema": "https://raw.githubusercontent.com/LuaLS/LLS-Addons/main/schemas/addon_info.schema.json",
+  "name": "X4: Foundations Lua Scripting",
+  "description": "Definitions for the X4: Foundations Lua functions and types Definitions.",
+  "size": 720079,
+  "hasPlugin": false
+}
diff --git a/addons/X4/module b/addons/X4/module
new file mode 160000
index 00000000..996a927c
--- /dev/null
+++ b/addons/X4/module
@@ -0,0 +1 @@
+Subproject commit 996a927c1e40c5c19c509e5171857b253cd4ad20