public java.util.Map<String, String> getMetadata() {
        return metadata;
    }
<p>
A key/value map to store attributes without affecting tagging or recommendations. For example, when synchronizing
data between an external system and Wisdom, you can store an external version identifier as metadata to utilize
for determining drift.
</p>

@return A key/value map to store attributes without affecting tagging or recommendations. For example, when
        synchronizing data between an external system and Wisdom, you can store an external version identifier as
        metadata to utilize for determining drift.
aws-java-sdk-connectwisdom/src/main/java/com/amazonaws/services/connectwisdom/model/ContentData.java