When creating a link field that accepts one value, there is a checkbox option to make it required. This checkbox does not exist for multiple link fields, and I don’t understand why, but I’d like it to exist.
Hey @fitzage,
You should be able to set the “Accept only a specified number of records: At least 1” validation to get a similar effect:
Then in the editor, it won’t let them save unless they add at least one:
Would that work for your needs, or is there a use case where “Required” and “At least 1” aren’t the same?
Haha, that’s so obvious. I should have caught that. That’s perfect.
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It’s not just you, it’s a question we get asked from time to time 
I think it got me too, when I first started using DatoCMS. Maybe it should be moved up that list or made more obvious…