/// migrate((app) => { const collection = app.findCollectionByNameOrId("pbc_2541054544") // add field collection.fields.addAt(22, new Field({ "cascadeDelete": false, "collectionId": "pbc_3346940990", "hidden": false, "id": "relation1841317061", "maxSelect": 1, "minSelect": 0, "name": "group", "presentable": false, "required": false, "system": false, "type": "relation" })) // add field collection.fields.addAt(23, new Field({ "autogeneratePattern": "", "hidden": false, "id": "text3987859035", "max": 0, "min": 0, "name": "match_type", "pattern": "", "presentable": false, "primaryKey": false, "required": false, "system": false, "type": "text" })) return app.save(collection) }, (app) => { const collection = app.findCollectionByNameOrId("pbc_2541054544") // remove field collection.fields.removeById("relation1841317061") // remove field collection.fields.removeById("text3987859035") return app.save(collection) })