/// migrate((app) => { const collection = app.findCollectionByNameOrId("pbc_2309823339") // add field collection.fields.addAt(5, new Field({ "hidden": false, "id": "bool1093096100", "name": "show_on_desktop", "presentable": false, "required": false, "system": false, "type": "bool" })) // add field collection.fields.addAt(6, new Field({ "hidden": false, "id": "bool3356649543", "name": "show_on_mobile", "presentable": false, "required": false, "system": false, "type": "bool" })) return app.save(collection) }, (app) => { const collection = app.findCollectionByNameOrId("pbc_2309823339") // remove field collection.fields.removeById("bool1093096100") // remove field collection.fields.removeById("bool3356649543") return app.save(collection) })