You can adjust the comments settings to help make sure everything's been done by making supporting files and comments mandatory. 

Ticking these boxes will mean that the task cannot be completed without attaching a comment or file with it. Perfect for when you want to create a task for visual checks e.g. setting up a bar or proof of a clean kitchen. 

If the supporting file is not uploaded, a warning message will appear to prompt them to complete this before hitting 'Done'.

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