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"System.Customer.UserImportFilePath" -- Mandatory attribute for thread. Used to specify the path that will be used by the User Importer Background Thread when searching for a file.
"System.Customer.UserImportBackupFilePath" – Mandatory attribute for thread. This is the folder that files are backed up in. Files in the ImportFilePath folder are deleted after they are process. The Back up folder cleans out files of a certain age (configured in the app.settings.)
"System.Customer.UserImportBatchSize" – Mandatory attribute. This is represented as an integer, and represents the number of users/rows to process in a batch run. This is included for performance reasons.
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