diff --git a/appDefinition.json b/appDefinition.json
new file mode 100644
index 0000000..dfdee19
--- /dev/null
+++ b/appDefinition.json
@@ -0,0 +1,23 @@
+{
+  "scriptLanguage" : "PYTHON_3",
+  "executableScriptName" : "sample_app.py",
+  "inputFiles" : [ {
+    "dataType" : "text_data",
+    "multiplicity" : {
+      "minCount" : 1,
+      "maxCount" : 1
+    }
+  } ],
+  "inputParameters" : [ {
+    "type" : "INTEGER",
+    "name" : "multiplier"
+  } ],
+  "outputs" : [ {
+    "dataType" : "image_data",
+    "fileFormat" : "PNG",
+    "fileName" : "multiplied_numbers_plot.png",
+    "isReturnedValue" : false
+  } ],
+  "requiredTools" : [ "python3" ],
+  "requiredComputationResources" : { }
+}
\ No newline at end of file