diff --git a/appDefinition.json b/appDefinition.json
new file mode 100644
index 0000000..b149839
--- /dev/null
+++ b/appDefinition.json
@@ -0,0 +1,19 @@
+{
+  "scriptLanguage" : "MATLAB",
+  "executableScriptName" : "Geomap_function_2.m",
+  "inputFiles" : [ {
+    "dataType" : "catalog",
+    "multiplicity" : {
+      "minCount" : 1,
+      "maxCount" : 1
+    }
+  } ],
+  "inputParameters" : [ ],
+  "outputs" : [ {
+    "dataType" : "eff_drop_out_aux_image",
+    "fileName" : "Figure1.mat",
+    "isReturnedValue" : true
+  } ],
+  "requiredTools" : [ "matlab" ],
+  "requiredComputationResources" : { }
+}
\ No newline at end of file