diff --git a/jetc/demo4.jet b/jetc/demo4.jet
new file mode 100644
index 0000000..e13b52f
--- /dev/null
+++ b/jetc/demo4.jet
@@ -0,0 +1,3 @@
+#!../jet-2.0
+#api GET /users/{id}
+User id is: $[id]
diff --git a/jetc/demo5.jet b/jetc/demo5.jet
new file mode 100644
index 0000000..8c94351
--- /dev/null
+++ b/jetc/demo5.jet
@@ -0,0 +1,3 @@
+#!../jet-2.0
+#api POST /echo
+You said: $[:message]
diff --git a/jetc/demo6.jet b/jetc/demo6.jet
new file mode 100644
index 0000000..c976202
--- /dev/null
+++ b/jetc/demo6.jet
@@ -0,0 +1,3 @@
+#!../jet-2.0
+#api GET /crash
+Value: $[:message]
diff --git a/jetc/demo7.jet b/jetc/demo7.jet
new file mode 100644
index 0000000..6b4f88d
--- /dev/null
+++ b/jetc/demo7.jet
@@ -0,0 +1,3 @@
+#!../jet-2.0
+#api GET /search
+Query: $[q]