diff --git a/.gitmodules b/.gitmodules
index fba1681822d49fdde69312664f5d63a8e6cae765..b0c23f5b8a0aa5d70732ef78e89d8f0f400cc996 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "trigger/semindependent"]
 	path = trigger/semindependent
 	url = https://github.com/learnweb/moodle-lifecycletrigger_semindependent.git
+[submodule "trigger/customfieldsemester"]
+	path = trigger/customfieldsemester
+	url = https://github.com/hsh-elc/moodle-lifecycletrigger_customfieldsemester.git
diff --git a/trigger/customfieldsemester b/trigger/customfieldsemester
new file mode 160000
index 0000000000000000000000000000000000000000..dd7d3cf085956fafdec6a1e628eba8cfca5a3d72
--- /dev/null
+++ b/trigger/customfieldsemester
@@ -0,0 +1 @@
+Subproject commit dd7d3cf085956fafdec6a1e628eba8cfca5a3d72