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Sets the IAM access control policy on the specified function. Replaces any existing policy.
HTTP requestPOST https://cloudfunctions.googleapis.com/v1/{resource}:setIamPolicy
resource
string
REQUIRED: The resource for which the policy is being specified. See Resource names for the appropriate value for this field. It takes the form projects/{project}/locations/{location}/functions/{function}
.
The request body contains data with the following structure:
JSON representation{
"policy": {
object (Policy
)
},
"updateMask": string
}
Fields policy
object (
Policy
)
REQUIRED: The complete policy to be applied to the resource
. The size of the policy is limited to a few 10s of KB. An empty policy is a valid policy but certain Google Cloud services (such as Projects) might reject them.
updateMask
string (
FieldMask
format)
OPTIONAL: A FieldMask specifying which fields of the policy to modify. Only the fields in the mask will be modified. If no mask is provided, the following default mask is used:
paths: "bindings, etag"
This is a comma-separated list of fully qualified names of fields. Example: "user.displayName,photo"
.
If successful, the response body contains an instance of Policy
.
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 endpoint uses a POST request to set the IAM access control policy for a specified Google Cloud function, replacing any existing policy."],["The `resource` path parameter is required and identifies the specific function, formatted as `projects/{project}/locations/{location}/functions/{function}`."],["The request body requires a `policy` object, defining the complete policy to be applied, and an optional `updateMask` string to specify which fields of the policy to modify."],["A successful request returns a `Policy` object, and the size of the policy is limited to a few 10s of KB."],["The request requires the `https://www.googleapis.com/auth/cloud-platform` OAuth scope for authorization."]]],[]]
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