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In order to flag question you just click on the ‘Flag this answer’ button (click it again to remove it). Once the question is flagged you can see that on the left side section/question menu will also get a flag, so when the completer will log in they will immediately know where to look for. The assessment progress has changed and is no longer at ‘100%’ because of flags added to the assessment.
The example below shows the question that has been flagged and commented on.
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