diff --git a/libraries/botbuilder-lg/tests/lg.test.js b/libraries/botbuilder-lg/tests/lg.test.js
index 650272d310..3b806b9a61 100644
--- a/libraries/botbuilder-lg/tests/lg.test.js
+++ b/libraries/botbuilder-lg/tests/lg.test.js
@@ -438,6 +438,11 @@ describe('LG', function () {
                 variableOptions: ['object', 'entries'],
                 templateRefOptions: ['addEntry', 'addEntries'],
             },
+            {
+                name: 'sortNumber',
+                variableOptions: ['number', 'divisor'],
+                templateRefOptions: ['sortNumber'],
+            },
         ];
 
         const templates = preloaded.Analyzer;
diff --git a/libraries/botbuilder-lg/tests/testData/examples/Analyzer.lg b/libraries/botbuilder-lg/tests/testData/examples/Analyzer.lg
index 0f89b54d88..113040f83b 100644
--- a/libraries/botbuilder-lg/tests/testData/examples/Analyzer.lg
+++ b/libraries/botbuilder-lg/tests/testData/examples/Analyzer.lg
@@ -74,3 +74,9 @@ ${city} ${template5()}
 # addEntry(object, entry)
 > Add an {index, value} entry to object
 - ${addProperty(object, entry.index, entry.value)}
+
+# sortNumber(number, divisor)
+> Return a string with leading zeros out to divisor
+- ${if(divisor == 1,
+    string(number),
+    concat(string(div(number, divisor)), sortNumber(mod(number, divisor), div(divisor, 10))))}