What is the importance of an object type’s unique ID?
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Correct answer: You need the unique ID to access associated objects..
Why this is the answer
A unique ID works as the stable reference that lets a system identify the exact object type involved in a relationship. In Amazon Ads API workflows, identifiers are used to connect resources such as advertisers, campaigns, line items , and creatives without relying on display names. This prevents ambiguity when multiple objects have similar names or belong to different account contexts. Relationship-based operations depend on exact identifiers so the platform can return the correct linked resources. The same principle applies when working with structured object models and associations.
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