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GitHub User: davidynamic
if you get the 'value is undefined' it might be because the property it should be searching for isn't set in the tokeninput settings
For instance, if the field that holds the names in your Authors model isn't called names, you need to specify it in the tokenInput option called "propertyToSearch" and change ti to propertyToSearch: "title" (or however you identify your authors)
You'll see it in the configuration settings here.