This field allows you to specify the type of import function to perform. The following function types are provided. Update - Register the nodes into the directory service if they do not already exist, or modify them if they do exist. This provides a way to make changes in one directory service based on information in another directory service. Register - Register the nodes into the specified directory service. Modify - Make bulk changes to the nodes in the directory service. This provides a way to make a large number of synonym or tower changes at one time. For example, change the IDP values for all nodes. Replace - Deregister any nodes that use the same synonyms or towers as the imported nodes, and then register the imported nodes into the directory service. this provides a way to make a large number of name changes at one time. Deregister - Deregister the nodes from the directory service. Verify - Check whether or not the node information in the directory service matches the information in the export file.