Meteor Files findOne return undefined
问题 i use Meteor Files for uploading files. i managed to save it to database and filesystem but i failed to get those files from its findOne method. here is my product collection : import { Mongo } from 'meteor/mongo'; import { Meteor } from 'meteor/meteor'; import Images from './imagesCollection'; const ProductCollection = new Mongo.Collection( 'products' ); ProductCollection.helpers({ photos() { return Images.findOne({ meta: { productId: this._id } }); } }); and here is my image collection: