Specifies how often the dredger refreshes its internal list of catalogs.
2.16.840.1.113719.1.1.4.1.289
For help in understanding the attribute definition template, see Reading NDS Attribute Type Definitions.
When this interval expires, the dredger reads its own internal list of catalog objects and compares it with the list in the NDSCat:Catalog List attribute. If any discrepancies exist, the dredger updates its own list. The dredger also refreshes its list of catalog object attributes, including information concerning both master and slave catalogs.