SugarCRM - Open selection-list drawer with custom collection

record.js

initialize: function(options) {
    this.plugins = _.union(this.plugins, ['LinkedModel']);
    this._super('initialize', [options]);
    
    //Example of use
    this.search( 'ProductTemplates', 'revenuelineitem_templates','what I want to search' );
},

/**
@param module: The module of the collection you want to retrieve records from
@param linkModelRelName: the name of the relationship between the module you are opening the drawer from and the module of the drawer you are opening
@param query: the query you want to search in the globalsearch endpoint
**/
search: function(module, linkModelRelName, query) {
    var self = this;
    var model = self.model;
    var pt = app.data.createBeanCollection(module);
    //Set the endpoint from which the collection will fetch the data
    pt.setOption('endpoint', function(method, collection, options, callbacks) {
        //Filters on the 'selection-list' view will not work depending on your endpoint
        var params = options.params;
        //This way I concatenate in the query to the globalsearch endpoint the 'name' filter that I'm using
        //in the selection-list view - rest of the filters don't work for this endpoint
        if (params.filter && params.filter[0].$or[0].name.$starts) {
            params.q = query + " " + params.filter[0].$or[0].name.$starts;
        } else {
            params.q = query;
        }
        var url = app.api.buildURL(module, 'globalsearch', null, params);
        return app.api.call('get', url, null, callbacks);
    });
    app.drawer.open({
        layout: 'selection-list',
        context: {
            module: module,
            parent: self.context,
            model: self.createLinkModel(model, linkModelRelName),
            collection: pt,
        }
    }, _.bind(self.recordSelected, {
        model: model
    }));

},
  
//Here you will retrieve the record selected in the 'selection-list' view
recordSelected: function(recordSelected) {
    console.log('RECORD SELECTED! ' + recordSelected);
}