I have two models with a belongsTo relationship between them.
Is there an easy way in Voyager to use multiple columns to display the dropdown select second model by editing the first?
I can only chose one column (name) for the moment in the BREAD edition. Let's say I want to display the model with a concatenation of the fields "name"_"value". Is there a way to achieve that in Voyager?
Thanks,

Not really. You could try a few different things. Either make a dynamic field in the database and let Voyager use that, or use an accessor method for one of the fields. I can't guarantee Voyager will handle either of these options well, but it's worth a shot. This is certainly not a supported feature right now.
If you need help with one of those possible workarounds, feel free to join our Slack group and ask.
I also need a solution to this problem.
We actually have a way for a few month now and its also mentioned in our Docs.
@emptynick Do you have a link to the docs where you can display more than one column in the relationship bread?
How can I create dependent dropdown i have School, Branches and Student Bread, now i want to add student in which if i choose school then branches dropdown will get branches for that particular schools. any help will be appreciated.
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Most helpful comment
https://voyager.readme.io/docs/custom-relationship-attributes