How do I enable moderation in the settings of a Coursework activity?

You don’t need to enable moderation in the settings of a Coursework activity. It will be enabled by default. 

In order to check that moderation has been enabled:

1. Go to the assessment dropbox.
2. Click Settings.
3. In the ‘Marking Workflow‘ section make sure that ‘Enable moderation agreement‘ is set to Yes.