Archetype Label Template Function

//Register some JS with Umbraco
//~/App_Plugins/ArchetypeLabelTemplates/package.manifest
{
  "javascript": [
    "~/App_Plugins/ArchetypeLabelTemplates/urlpicker.js"
  ]
}

//Define your label code here
//~/App_Plugins/ArchetypeLabelTemplates/urlpicker.js
var UrlPickerTemplate = {};

UrlPickerTemplate.getTitle = function (value, scope) { 
    //this is the property model
    if (value) {
        return value.meta.title;
    }
    
    //if you wanted to get the name of the content instead, you'd have to get it from the server here since it's not in the model

    return "";
};

//Use a function in your config
//Archetype config GUI
Label Template: {{UrlPickerTemplate.getTitle(nameOfPropertyAlias)}}