[ Web Proxy ]
URL:
Viewing: https://cloud.google.com/workflows/docs/reference/stdlib/events/create_callback_endpoint [Back]  [Original]
Function: events.create_callback_endpoint  |  Workflows  |  Google Cloud Documentation Skip to main content
Google Cloud Documentation [Google Cloud Documentation]
Technology areas Cross-product tools
Search:
Console
[]
Start free
Overview Guides Reference Samples Resources
Google Cloud Documentation [Google Cloud Documentation]
Send feedback

Function: events.create_callback_endpoint Stay organized with collections Save and categorize content based on your preferences.

Creates a callback endpoint expecting the specified HTTP method.

For more information, see Wait using callbacks.

Arguments

Arguments
http_callback_method

string

The HTTP callback method. One of: POST(default), GET, HEAD, PUT, DELETE, OPTIONS, PATCH.

Returns

A map object with a url field that stores the URL of the created endpoint.

Raised exceptions

Exceptions
ValueError In case of invalid input values.
TypeError In case of invalid input types.

Examples

# A basic callback workflow
- create_callback:
    call: events.create_callback_endpoint
    args:
        http_callback_method: "GET"
    result: callback_details
- print_callback_details:
    call: sys.log
    args:
        severity: "INFO"
        text: ${"Listening for callbacks on " + callback_details.url}
- await_callback:
    call: events.await_callback
    args:
        callback: ${callback_details}
        timeout: 3600
    result: callback_request
- print_callback_request:
    call: sys.log
    args:
        severity: "INFO"
        text: ${"Received " + json.encode_to_string(callback_request.http_request)}
- return_callback_result:
    return: ${callback_request.http_request}
Send feedback

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2026-08-11 UTC.

Need to tell us more? [[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2026-08-11 UTC."],[],[]]
Web Proxy Viewer  |  New URL  |  Original Page