getSchemaMetadata

The getSchemaMetadata service fetches comprehensive metadata for a schema including ID, version, type, content, and references for a specified subject and version (or latest if version is not provided).

Input Parameters

`subject (String, required)`	The name of the subject whose schema metadata you want to retrieve.
`version (Integer, optional)`	The version number of the schema. If not specified, retrieves the latest version.
`$connectionName (String, required)`	Name of the Kafka connection configured with the Confluent Schema Registry.

Output Parameters

`metadata (Record, required)`			The schema metadata containing:
		`type (String, required)`	The schema type (e.g., AVRO, JSON, PROTOBUF).
		`id (Integer, required)`	The unique schema identifier.
		`version (Integer, required)`	The schema version number.
		`content (String, required)`	The schema definition/content.
		`references (Record list, optional)`	Array of schema references, each containing:
			`name (String, required)`	The reference name.
			`subject (String, required)`	The subject of the referenced schema.
			`version (Integer, required)`	The version of the referenced schema.
`message (String, required)`			The response message returned after the service execution.