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Updates existing function.
HTTP requestPATCH https://cloudfunctions.googleapis.com/v2/{function.name}
function.name
string
A user-defined name of the function. Function names must be unique globally and match pattern projects/*/locations/*/functions/*
It takes the form projects/{project}/locations/{location}/functions/{function}
.
updateMask
string (
FieldMask
format)
The list of fields to be updated. If no field mask is provided, all fields will be updated.
This is a comma-separated list of fully qualified names of fields. Example: "user.displayName,photo"
.
The request body contains an instance of Function
.
If successful, the response body contains an instance of Operation
.
Requires the following OAuth scope:
https://www.googleapis.com/auth/cloud-platform
For more information, see the Authentication Overview.
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 2025-06-16 UTC.
[[["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 2025-06-16 UTC."],[[["This webpage outlines the process for updating an existing function using a PATCH HTTP request to the Google Cloud Functions API."],["The request URL requires a `function.name` path parameter, which is a unique identifier following the `projects/*/locations/*/functions/*` pattern."],["It accepts an optional `updateMask` query parameter, allowing users to specify which fields of the function to update; if left empty, all fields will be updated."],["The request body should contain a `Function` resource, and upon success, the response body will contain an `Operation` resource."],["Updating a function requires the OAuth scope: `https://www.googleapis.com/auth/cloud-platform`."]]],[]]
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