Dictionary.Prefix
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The Prefix property is a read/write String that acts as a filter when the contents of the Dictionary object are saved (usually to a database). When the name of a name/value pair begins with the specified prefix, that name/value pair is not saved. By default, the prefix is "_", so that any keywords beginning with an underscore character are excluded.
Definition
Property Prefix As String
Parameters
None.
Error Values
This property sets the Number property of the global Err object to S_OK (&H00000000) to indicate success and to standard COM error values to indicate failure. For more information about standard COM errors, see Standard COM Errors. Additional information may be available using the global Err object. In particular, the Description property may contain a text description of the error.
Remarks
By default, the prefix is "_", so that any keywords beginning with an underscore character are excluded.
The pipeline component that saves receipts usually sets the prefix to "_cc_", so that all credit-card information is not saved in the database. The actual string used by the pipeline component is configurable.