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Objects: update

Updates an object's metadata. Try it now .

The authenticated user must have OWNER permissions on the object.

Request

HTTP request 

PUT https://www.googleapis.com/storage/v1/b/bucket/o/object

Parameters

Parameter name Value Description
Path parameters
bucket string Name of the bucket in which the object resides.
object string Name of the object.
Optional query parameters
generation long If present, selects a specific revision of this object (as opposed to the latest version, the default).
ifGenerationMatch long Makes the operation conditional on whether the object's current generation matches the given value.
ifGenerationNotMatch long Makes the operation conditional on whether the object's current generation does not match the given value.
ifMetagenerationMatch long Makes the operation conditional on whether the object's current metageneration matches the given value.
ifMetagenerationNotMatch long Makes the operation conditional on whether the object's current metageneration does not match the given value.
predefinedAcl string Apply a predefined set of access controls to this object.

Acceptable values are:
  • " authenticatedRead ": Object owner gets OWNER access, and allAuthenticatedUsers get READER access.
  • " bucketOwnerFullControl ": Object owner gets OWNER access, and project team owners get OWNER access.
  • " bucketOwnerRead ": Object owner gets OWNER access, and project team owners get READER access.
  • " private ": Object owner gets OWNER access.
  • " projectPrivate ": Object owner gets OWNER access, and project team members get access according to their roles.
  • " publicRead ": Object owner gets OWNER access, and allUsers get READER access.
projection string Set of properties to return. Defaults to full .

Acceptable values are:
  • " full ": Include all properties.
  • " noAcl ": Omit the acl property.

Request body

In the request body, supply an object resource with the following properties:

Property name Value Description Notes
Required Properties
acl[] list Access controls on the object. writable
contentType string Content-Type of the object data. writable
Optional Properties
cacheControl string Cache-Control directive for the object data. writable
contentDisposition string Content-Disposition of the object data. writable
contentEncoding string Content-Encoding of the object data. writable
contentLanguage string Content-Language of the object data. writable
metadata object User-provided metadata, in key/value pairs. writable
metadata. (key) string An individual metadata entry. writable

Response

By default, this responds with an object resource in the response body. If you provide the URL parameter alt=media , then it will respond with the object data in the response body.

Try it!

Use the APIs Explorer below to call this method on live data and see the response. Alternatively, try the standalone Explorer .

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License , and code samples are licensed under the Apache 2.0 License . For details, see our Site Policies .

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