Optional. Specifies a user-defined name-value pair associated with the blob. If no name-value pairs are specified, the operation will copy the metadata from the source blob or file to the destination blob. If one or more name-value pairs are specified, the destination blob is created with the specified metadata, and metadata is not copied from the source blob or file. Note that beginning with version 2009-09-19, metadata names must adhere to the naming rules for C# identifiers. See Naming and Referencing Containers, Blobs, and Metadata for more information.
Provides a client-generated, opaque value with a 1 KB character limit that is recorded in the analytics logs when storage analytics logging is enabled.
The timeout parameter is expressed in seconds. For more information, see Setting Timeouts for Blob Service Operations.
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