public void setCreatedAt(java.util.Date createdAt) {
        this.createdAt = createdAt;
    }
<p>
Date and time that the signing job was created.
</p>

@param createdAt
       Date and time that the signing job was created.
aws-java-sdk-signer/src/main/java/com/amazonaws/services/signer/model/DescribeSigningJobResult.java