Creates a retention policy to specify the maximum number of tags stored in tag history.

Inputs/Outputs

tag in

Reference to a tag on the server.

Use Open Tag or Query Tags to obtain this reference.

maximum count

The number of historical tag values to retain.

The default is 10,000.

error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Default value: No error

tag out

Reference to a specific tag on SystemLink Server.

error out

Error information.

The node produces this output according to standard error behavior.