Pulls messages from the server. The server may return UNAVAILABLE
if
there are too many concurrent pull requests pending for the given
subscription.
Arguments
Parameters | |
---|---|
subscription |
Required. The subscription from which messages should be pulled. Format is
|
body |
Required.
|
Raised exceptions
Exceptions | |
---|---|
ConnectionError |
In case of a network problem (such as DNS failure or refused connection). |
HttpError |
If the response status is >= 400 (excluding 429 and 503). |
TimeoutError |
If a long-running operation takes longer to finish than the specified timeout limit. |
TypeError |
If an operation or function receives an argument of the wrong type. |
ValueError |
If an operation or function receives an argument of the right type but an inappropriate value. For example, a negative timeout. |
Response
If successful, the response contains an instance of PullResponse
.
Subworkflow snippet
Some fields might be optional or required. To identify required fields, refer to the API documentation.
YAML
- pull: call: googleapis.pubsub.v1.projects.subscriptions.pull args: subscription: ... body: maxMessages: ... returnImmediately: ... result: pullResult
JSON
[ { "pull": { "call": "googleapis.pubsub.v1.projects.subscriptions.pull", "args": { "subscription": "...", "body": { "maxMessages": "...", "returnImmediately": "..." } }, "result": "pullResult" } } ]