Dexterity Relation Choice Field

Plone Support Customizing Plone
1

I have noticed that when I have a relation choice field in my content type, I can only select one item. Would it be possible to choose more than one item in that field? Any help would be most appreciated. Thank you.

2

https://training.plone.org/5/mastering-plone/relations.html

3

You use the RelationList.