how to permit an array with strong parameters

Question

I have a functioning Rails 3 app that uses has_many :through associations which is not, as I remake it as a Rails 4 app, letting me save ids from the associated model in the

Answer 1

I can't comment yet but following on Fellow Stranger solution you can also keep nesting in case you have keys which values are an array. Like this:

filters: [{ name: 'test name', values: ['test value 1', 'test value 2'] }]

This works:

params.require(:model).permit(filters: [[:name, values: []]])