relatedEntityIdentifier

The related entity's identifier that you want to disassociate from the opportunity. Depending on the type of entity, this could be a simple identifier or an Amazon Resource Name (ARN) for entities managed through Amazon Web Services Marketplace.

For Amazon Web Services Marketplace entities, use the Amazon Web Services Marketplace API to obtain the necessary ARNs. For guidance on retrieving these ARNs, see Amazon Web Services MarketplaceUsing the Amazon Web Services Marketplace Catalog API.

Validation: Ensure the identifier or ARN is valid and corresponds to an existing entity. An incorrect or invalid identifier results in an error.