commit 9c53f004ac319e5fd1a5f52ba21dedec1961fc2c
Author: Chris Willis-Ford <cwillisf@acm.org>
Date:   Wed Aug 12 12:32:19 2015 +0200

    Sample extension for use with Scratch and ScratchX
    
    For information on writing Scratch extensions, see:
    https://github.com/LLK/scratchx/wiki#writing-extensions-for-scratchx

diff --git a/sampleExtension.js b/sampleExtension.js
new file mode 100644
index 0000000..644ae42
--- /dev/null
+++ b/sampleExtension.js
@@ -0,0 +1,29 @@
+(function(ext) {
+    // Cleanup function when the extension is unloaded
+    ext._shutdown = function() {
+    };
+
+    // Status reporting code
+    // Return any message to be displayed as a tooltip.
+    // Status values: 0 = error (red), 1 = warning (yellow), 2 = ready (green)
+    ext._getStatus = function() {
+        return {status: 2, msg: 'Ready'};
+    };
+
+    // For information on writing Scratch extensions, see the ScratchX wiki:
+    // https://github.com/LLK/scratchx/wiki#writing-extensions-for-scratchx
+    ext.doSomething = function() {
+        // code to do something goes here
+    };
+
+    // Block and block menu descriptions
+    var descriptor = {
+        blocks: [
+            [' ', 'do something', 'doSomething']
+        ],
+        url: 'http://' // Link to extension documentation, homepage, etc.
+    };
+
+    // Register the extension
+    ScratchExtensions.register('Sample extension', descriptor, ext);
+})({});