---
title: "POST /v1beta1/{+parent}/userEvents:rejoin"
method: POST
path: "/v1beta1/{+parent}/userEvents:rejoin"
tags: ["projects"]
---

# POST /v1beta1/{+parent}/userEvents:rejoin

`POST /v1beta1/{+parent}/userEvents:rejoin`

Triggers a user event rejoin operation with latest catalog data. Events will not be annotated with detailed catalog information if catalog item is missing at the time the user event is ingested, and these events are stored as unjoined events with a limited usage on training and serving. This API can be used to trigger a 'join' operation on specified events with latest version of catalog items. It can also be used to correct events joined with wrong catalog items.

## Path parameters

- `parent` string, required

## Request body

- GoogleCloudRecommendationengineV1beta1RejoinUserEventsRequest — Request message for CatalogRejoin method.
  - `userEventRejoinScope` 'USER_EVENT_REJOIN_SCOPE_UNSPECIFIED' | 'JOINED_EVENTS' | 'UNJOINED_EVENTS' — Required. The type of the catalog rejoin to define the scope and range of the user events to be rejoined with catalog items.

## Response `200`

Successful response

---

[API](https://skmtc.net/google/apis/recommendationengine.md) · [All operations](https://skmtc.net/google/apis/recommendationengine/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/google/recommendationengine/versions/c67ad3b20e58/schema)