diff --git a/action.yml b/action.yml
index 0559a16..ce8e7df 100644
--- a/action.yml
+++ b/action.yml
@@ -16,6 +16,11 @@ inputs:
         required: false
         default: 10
 
+outputs:
+    lastNumber:
+        description: 'The last fibonacci number printed during the execution of the action'
+        # value: ... # The value key is not needed (like nedded with composite actions) because the main.js will set the ouput value
+
 runs:
     using: 'node16'    # Must be 'nodeXX' for a custom js action
     main: 'main.js'    # The JS File to execute which will handle action processing