Possible enumeration values:

NameValueDescription
CreateDate

1

Sort by create date ascending

CreateDateDesc

-1

Sort by create date ascending

PublishDate

2

Sort by publish date ascending

PublishDateDesc

-2

Sort by publish date ascending

InformationDate

3

Sort by information date ascending

InformationDateDesc

-3

Sort by information date ascending

Status

4

Sort by status ascending

StatusDesc

-4

Sort by status ascending