What value is needed from the API's response to append to the request path for schema updates?

To append to the request path for schema updates in Adobe Experience Platform, the value needed from the API's response is the "meta:altId." This identifier serves as a unique alternative ID for the schema, which is essential when referencing or updating an existing schema. The meta:altId allows you to accurately target the specific schema for which you want to perform updates, ensuring that the operations you are executing affect the correct entity within your data architecture.

Other identifiers, while potentially useful in different contexts, do not serve this particular purpose within the API pathway. For example, the schema_version pertains to the versioning of the schema itself, whereas schema_id is a primary identifier for the schema but does not specifically fulfill the requirement of appending to the request path directly. The request_id is generally associated with tracking individual requests and does not relate to schema updates. Thus, meta:altId is uniquely designed for the schema update context, making it the correct and relevant choice.