How to set topology data polling interval ?

Dear Sir or Madam -

In SAM version 5.2, a node property was introduced called  "Poll for Topology Data Every [  ] minutes"  (on the GUI).

I assume this property is only used if there is an associated poller for Layer 3 topology, correct ?

When adding a node via the SWIS interface from Powershell, how do we set the value of this property ?

I used SWQL and SQL Server Management Studio to look for the property in the Orion.Nodes, but I cannot find it.

Thank you.

James Troy