# toXml method

1. @override

XMLNode toXml()
override

Turn the source into an XML element.

## Implementation

    @override
    XMLNode toXml() {
      return XMLNode.xmlns(
        tag: 'encrypted',
        xmlns: sfsEncryptionXmlns,
        attributes: <String, String>{
          'cipher': encryption.toNamespace(),
        },
        children: [
          XMLNode(
            tag: 'key',
            text: base64Encode(key),
          ),
          XMLNode(
            tag: 'iv',
            text: base64Encode(iv),
          ),
          ...hashes.entries
              .map((hash) => constructHashElement(hash.key, hash.value)),
          XMLNode.xmlns(
            tag: 'sources',
            xmlns: sfsXmlns,
            children: [source.toXml()],
          ),
        ],
      );
    }