diff --git a/funcext/demo_function1.tsf b/funcext/demo_function1.tsf
new file mode 100644
index 0000000..cdeec91
--- /dev/null
+++ b/funcext/demo_function1.tsf
@@ -0,0 +1,4 @@
+Function demo_function1(msg);
+Begin
+  echo "demo_function1:", msg, "\n";
+End;
\ No newline at end of file
diff --git a/funcext/demo_function2.tsf b/funcext/demo_function2.tsf
new file mode 100644
index 0000000..cd55700
--- /dev/null
+++ b/funcext/demo_function2.tsf
@@ -0,0 +1,4 @@
+Function demo_function2(msg);
+Begin
+  echo "demo_function2:", msg, "\n";
+End;
\ No newline at end of file