How to customize Multi node tree picker in umbraco
I'm working on umbraco 7 CMS. I have a property (Multi-node tree picker) which can hold content of certain alias only.
E.g. I have alias like (Product, Visitor and Places). So I want a property that user can set using these type of alias(document-type) only and also only one instance of each alias i.e. User can not add more than 1 content of same permitted type.
Any idea how to restrict user to add only 1 content of each alias ?
How to customize Multi node tree picker in umbraco
I'm working on umbraco 7 CMS. I have a property (Multi-node tree picker) which can hold content of certain alias only.
E.g. I have alias like (Product, Visitor and Places). So I want a property that user can set using these type of alias(document-type) only and also only one instance of each alias i.e. User can not add more than 1 content of same permitted type.
Any idea how to restrict user to add only 1 content of each alias ?
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