public void setAssetId(String assetId) {
        this.assetId = assetId;
    }
<p>
The unique identifier for the asset that is exported to a signed URL.
</p>

@param assetId
       The unique identifier for the asset that is exported to a signed URL.
aws-java-sdk-dataexchange/src/main/java/com/amazonaws/services/dataexchange/model/ExportAssetToSignedUrlRequestDetails.java