我决定升级我的扩展以使用第二代云函数。我将我的云函数从pubsub.schedule更改为onSchedule。
在extensions.yaml中，我必须定义resources.properties.eventTrigger.eventType。然而，我无法在文档中找到任何提示：https://firebase.google.com/docs/extensions/publishers/functions#scheduled
我的extensions.yaml文件中的资源部分。

resources:
  - name: backupauthusers
    type: firebaseextensions.v1beta.v2function
    description: >-
      Scheduled function that will backup Authentication users to Google Cloud Storage bucket.
    properties:
      eventTrigger:
        eventType: <What event type?>
      buildConfig:
        runtime: nodejs18

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我尝试过的一些eventTypes：

• google.pubsub.topic.publish
• google.cloud.pubsub.topic.publish

它们导致了部署错误，我猜类型是无效的：
扩展部署有错误：

• 创建backup-firebase-auth ; RESOURCE_ERROR at /deployments/firebase-ext-backup-firebase-auth/resources/backupauthusers：{“ResourceType”：“gcp-types/cloudfunctions-v2beta：projects.locations.functions”，“ResourceErrorCode”：“400”，“ResourceErrorMessage”：{“code”：400，“message”：“Validation failed for trigger projects/test-backup-firebase-auth/locations/asia-southeast1/triggers/ext-backup-firebase-auth-backupauthusers-424196：请求无效：trigger.event_filters：“name：”中的属性“type "值无效：\“projects/test-backup-firebase-auth/locations/asia-southeast1/triggers/ext-backup-firebase-auth-backupauthusers-424196\”event_filters：{attribute：\“type\”value：\“google.pubsub.topic.publish"} service_account：\”email protected(https://stackoverflow.com/cdn-cgi/l/email-protection) \”destination：{cloud_function：gcf编码|projects/test-backup-firebase-auth/locations/asia-southeast1/functions/ext-backup-firebase-auth-backupauthusers|无效"}标签：{key：\“goog-managed-by\”value：\“cloudfunctions"}""，“status”：“INVALID_ARGUMENT”，“statusMessage”：“Bad Request”，“requestPath”：“https://cloudfunctions.googleapis.com/v2beta/projects/test-backup-firebase-auth/locations/asia-southeast1/functions“，“httpMethod”：“POST”}}

错误：扩展部署失败。