In the ideal world you won't need this function. All code is perfect and no mistakes are made. But bugs unavoidable in real world, especially if code is involved.
You can view the results of the actions execution at the top right corner of the page:
Under the green icon you will see the list of action that were executed successfully
Under the red icon you will see the list of action that weren’t executed due to errors
For each such action you will see:
You can click on the error message to navigate to the related action and the step on the Data tab
Also actions with errors will be marked in the list of actions:
Each step has it’s own tab for errors:
You can find detailed description in there
Use this tools to debug your app.
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