[Storage][Blob]Add Missing Doc for set_container_metadata
@@ -462,6 +462,15 @@ class ContainerClient(StorageAccountHostsMixin):
If a date is passed in without timezone info, it is assumed to be UTC.
Specify this header to perform the operation only
if the resource has been modified since the specified time.
+ :keyword ~datetime.datetime if_unmodified_since:
+ A DateTime value. Azure expects the date value passed in to be UTC.
+ If timezone is included, any non-UTC datetimes will be converted to UTC.
+ If a date is passed in without timezone info, it is assumed to be UTC.
+ Specify this header to perform the operation only if
+ the resource has not been modified since the specified date/time.
+ :keyword str etag:
+ An ETag value, or the wildcard character (*). Used to check if the resource has changed,
+ and act according to the condition specified by the `match_condition` parameter.
:keyword int timeout:
The timeout parameter is expressed in seconds.
:returns: Container-updated property dict (Etag and last modified).
