Possible enumeration values:

NameValueDescription
CreateDate

1

Sort create date ascending
CreateDateDesc

-1

Sort create date ascending
PublishDate

2

Sort publish date ascending
PublishDateDesc

-2

Sort publish date ascending
InformationDate

3

Sort information date ascending
InformationDateDesc

-3

Sort information date ascending
Status

4

Sort status ascending
StatusDesc

-4

Sort status ascending
Message

5

Sort message ascending
MessageDesc

-5

Sort message ascending