/// migrate((app) => { const collection = app.findCollectionByNameOrId("pbc_2032083498") // remove field collection.fields.removeById("text41510942") // remove field collection.fields.removeById("text1394985671") // add field collection.fields.addAt(4, new Field({ "hidden": false, "id": "file41510942", "maxSelect": 1, "maxSize": 0, "mimeTypes": [], "name": "skin", "presentable": false, "protected": false, "required": false, "system": false, "thumbs": [], "type": "file" })) // add field collection.fields.addAt(5, new Field({ "hidden": false, "id": "file1394985671", "maxSelect": 1, "maxSize": 0, "mimeTypes": [], "name": "cape", "presentable": false, "protected": false, "required": false, "system": false, "thumbs": [], "type": "file" })) return app.save(collection) }, (app) => { const collection = app.findCollectionByNameOrId("pbc_2032083498") // add field collection.fields.addAt(3, new Field({ "autogeneratePattern": "", "hidden": false, "id": "text41510942", "max": 0, "min": 0, "name": "skin", "pattern": "", "presentable": false, "primaryKey": false, "required": false, "system": false, "type": "text" })) // add field collection.fields.addAt(4, new Field({ "autogeneratePattern": "", "hidden": false, "id": "text1394985671", "max": 0, "min": 0, "name": "cape", "pattern": "", "presentable": false, "primaryKey": false, "required": false, "system": false, "type": "text" })) // remove field collection.fields.removeById("file41510942") // remove field collection.fields.removeById("file1394985671") return app.save(collection) })