You have to first add the "Due date" field to the create screen for that project. Until that happens, you won't see that field as an option to be added to a specific request type. There are a couple of different ways to do this, but I think the best way to achieve this is
...be more productive while being fun to use at the same time. For some, getting started can be a bit intimidating. This is especially true if Jira Service Desk is your first exposure to Atlassian...
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