diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1b89d50
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "example"]
+	path = example
+	url = git@gitlab.com:amlengua/apal/esquema.git
diff --git a/example b/example
new file mode 160000
index 0000000..05690ab
--- /dev/null
+++ b/example
@@ -0,0 +1 @@
+Subproject commit 05690abdd4240726fc6652ce0b70dfd05812430f