diff --git a/sample_async.xsh b/sample_async.xsh
new file mode 100644
index 0000000..cc6b096
--- /dev/null
+++ b/sample_async.xsh
@@ -0,0 +1,22 @@
+count = 0
+
+def prompt():
+    global count
+    _count = count
+    count = count + 1
+    return '{SLOWBLINK_PURPLE}str(_count) + ' $ {RESET}'
+
+$PROMPT = prompt
+
+$UPDATE_PROMPT_ON_KEYPRESS = True
+$PROMPT_REFRESH_INTERVAL = 1
+
+
+
+from xontrib import prompt_vi_mode
+def prompt():
+    return prompt_vi_mode.vi_mode() + ' $ '
+
+
+$PROMPT = prompt
+