Update Contact Property

1import { Reloop } from "reloop-email";
2
3const reloop = new Reloop({ apiKey: "rl_123456789" });
4
5const { property, propertyError } = await reloop.contacts.properties.update(
6  "prop_123456789",
7  { fallbackValue: "N/A" },
8);
9
10if (propertyError) throw propertyError;
11
12console.log(property.id, property.defaultValue);

1{
2  "object": "contact_property",
3  "id": "con_123456789",
4  "propertyName": "company",
5  "propertyType": "example_propertyType",
6  "defaultValue": null,
7  "createdAt": "2026-03-23T10:00:00.000Z",
8  "updatedAt": "2026-03-23T10:00:00.000Z",
9  "event": "evt_123456789"
10}