If you already have a unique identifier for a business object, such as a set of product numbers you have developed to identify your configuration items, you can use that identifier as the business object’s target key attribute. You need to ensure that the values in this field are always unique: you cannot have duplicate values as a primary key. For example, do not use people’s names as a primary key, because names are not unique. When you map target key attributes, you must map them to a field that is unique to a single record.
When you set the target key attribute, the attribute icon changes from the attribute icon – – to the target key attribute icon – .
For information about importing target key attributes, see Converting attribute values.
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