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- dRofus System Attributes: The half-toned Attribute and buttons below indicate that the dRofus attribute called "Last synchronized date and time" is a System Attribute and therefore cannot be written to - i.e., "Link <--" is not possible. It also suggests that becaue because this value can keep changing, it is not to be used as the Key Attribute for comparing - i.e., "Link ==" is not possible:
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