public void setCreatedAt(java.util.Date createdAt) {
        this.createdAt = createdAt;
    }
<p>
The Unix timestamp when your Amazon Kendra experience was created.
</p>

@param createdAt
       The Unix timestamp when your Amazon Kendra experience was created.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/ExperiencesSummary.java