The CheckPropertyValueUniquenessInTargetSystem activity can be used to get confirmation if the property value is unique using IdentityIdentifier, AttributeId, Value and TargetSystemId. This activity is available from version 8.2.
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The identifier of Identity in target system (ObjectId).
AttributeId
The identifier of the attribute to look for.
Value
Value of the attributeto check.
TargetSystemId
The identifier of the target system.
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