asItemToAdd
Casts this RelatedItemsUpdate as a ItemToAdd and retrieves its aws.sdk.kotlin.services.ssmincidents.model.RelatedItem value. Throws an exception if the RelatedItemsUpdate is not a ItemToAdd.
Casts this RelatedItemsUpdate as a ItemToAdd and retrieves its aws.sdk.kotlin.services.ssmincidents.model.RelatedItem value. Throws an exception if the RelatedItemsUpdate is not a ItemToAdd.