/// migrate((app) => { const collection = app.findCollectionByNameOrId("pbc_2337082678") // remove field collection.fields.removeById("relation3360453765") return app.save(collection) }, (app) => { const collection = app.findCollectionByNameOrId("pbc_2337082678") // add field collection.fields.addAt(4, new Field({ "cascadeDelete": false, "collectionId": "pbc_43114331", "hidden": false, "id": "relation3360453765", "maxSelect": 999, "minSelect": 0, "name": "booking_types", "presentable": false, "required": false, "system": false, "type": "relation" })) return app.save(collection) })