List Topics
managed_kafka.list_topics
ActionGoogle Cloudconnection required
Calls Managed Service for Apache Kafka GET /v1/projects/{projectsId}/locations/{locationsId}/clusters/{clustersId}/topics.
Lists the topics in a given cluster.
Connection
- Required
- Yes — the node will not save without one
- Auth type
- OAuth 2.0
- Providers
- Google Managed Service for Apache Kafka
- Secret shape
- {"client_id", "client_secret", "refresh_token"}
- Config it needs
- location, project_id
- Resolved by
- config.connection_id, else node.connection_id
Configuration
5 fields, 1 required. A dotted path is a nested object and name[] an array of objects — the editor renders the same tree.
| Field | Type | Required | Default | Constraints | Example |
|---|---|---|---|---|---|
project_id GCP project id (overrides connection). | string | No | — | — | — |
location Location / region (overrides connection). | string | No | — | — | — |
cluster Id of the cluster to act on, from managed_kafka.list_clusters — not its name. | string | Yes | — | — | — |
page_size Optional. The maximum number of topics to return. The service may return fewer than this value. If unset or ze | number | No | 50 | ≥ 1 | — |
page_token Optional. A page token, received from a previous `ListTopics` call. Provide this to retrieve the subsequent pa | string | No | — | — | — |
Example configuration
Every value below is the contract’s own example or default — nothing invented.
{
"page_size": 50
}Output
One shape.
result
| Field | Type | Example |
|---|---|---|
ok | boolean | — |
topics | array | — |
nextPageToken | string | — |
{
"nextPageToken": "",
"ok": false,
"topics": []
}Related Google Managed Service for Apache Kafka nodes
See List Topics run in a workflow.
In a technical demo we add the Google Managed Service for Apache Kafka connection, drop the node on the canvas and let Workflow Health pre-flight it before the first real run.