CmdID / az / az storage / az storage container / az storage container metadata
az storage container metadata update
Set one or more user-defined name-value pairs for the specified container. Azure CLI reference
5 options Its page in the Azure CLI reference
Options
--if-modified-sinceCommence only if modified since supplied UTC datetime (Y-m-d'T'H:M'Z').--if-unmodified-sinceCommence only if unmodified since supplied UTC datetime (Y-m-d'T'H:M'Z').--lease-idIf specified, only succeed if the container's lease is active and matches this ID.--name, -nThe container name.--timeoutRequest timeout in seconds.