/// migrate((app) => { const collection = app.findCollectionByNameOrId("pbc_632646243") // add field collection.fields.addAt(5, new Field({ "cascadeDelete": true, "collectionId": "_pb_users_auth_", "hidden": false, "id": "relation1319357245", "maxSelect": 1, "minSelect": 0, "name": "approved_by", "presentable": true, "required": false, "system": false, "type": "relation" })) return app.save(collection) }, (app) => { const collection = app.findCollectionByNameOrId("pbc_632646243") // remove field collection.fields.removeById("relation1319357245") return app.save(collection) })