Creates a retention policy for historical tag values to expire after a set number of days they were written.



tag in

Reference to a tag on the server.

Use Open Tag or Query Tags to obtain this reference.

days

The number of days tag values stay in the tag history before they expire.

The default is 30 days.

error in

Error conditions that occur before this VI runs. The VI responds to this input according to standard error behavior.

tag out

Reference to a specific tag on SystemLink Server.

error out

Error information. This VI produces this output according to standard error behavior.