UserAttribute is an Attribute Type with an Attribute Usage Flags of "userApplications" and are used for actually storing information in the directory, as opposed to OperationalAttribute which are used for storing state information used for DSA server processing.

Whenever a search operation does not request any specific attributes to be returned, then all user attributes in matching entries will be returned. An explicit value of "*" (the asterisk) may also be included to explicitly include all user attributes.

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