XML-RPC volání:

<?xml version="1.0"?>
<methodCall>
<methodName>mailkit.sendmail_mass</methodName>
  <params>
  <param><value><int>client_id</int></value></param>
  <param><value><string>client_md5_hash_here</string></value></param>
  <param><value>
     
        <value>
        <array>
            <data>
              <value>
              <struct>
                <member>
                    <name>send_to</name>
                    <value><string>email@email.com</string></value>
                </member>
                <member>
                    <name>mailinglist_id</name>
                    <value><int>ID_mailing_list</int></value>
                </member>
                <member>
                    <name>campaign_id</name>
                    <value><int>ID_message</int></value>
                </member>
                <member>
                    <name>subject</name>
                    <value><string>volitelný jiný subject než je u dané kampaně</string></value>
                </member>
                <member>
                    <name>message_data</name>
                    <value><string>volitelný jiný obsah mailu než je u dané kampaně</string></value>
                </member>
                <member>
                    <name>template_file</name>
                    <value><string>volitelny konkrétní název template souboru</string></value>
                </member>
                <member>
                    <name>create_email</name>
                    <value><string>TRUE</string></value> - v pripade, ze dany email neni v danem mailing listu, tak bude zalozen
                </member>
                <member>
                   <name>attachement</name>
                   <value><array><data>
                       <value><struct>
                          <member>
                             <name>url</name>
                             <value><string>url prilohy</string></value>
                          </member>

                          nebo

                          <member>
                             <name>data</name>
                             <value>base64(data)</value>
                          </member>

                          <member>
                             <name>name</name>
                             <value><string>nazev prilohy</string></value>
                          </member>
                       </struct></value>
                    </data></array></value>
                 </member>


                <member>
                    <name>content</name>
                    <value>
                        <struct>
                            <member><name>var3</name><value><string>data3</string></value></member>
                            <member><name>var1</name><value><string>data1</string></value></member>
                            <member><name>var4</name><value><string>data4</string></value></member>
                            <member><name>jiny_nazev</name><value><string>data2</string></value></member>
                            volitelne promenn, ktere mohou byt pouzity v template casti: [% shared.VAR3 -%] [% shared.JINY_NAZEV -%],
                            nebo v content casti: [VAR3] [JINY_NAZEV]
                        </struct>
                  </value>
                </member>
              </struct>
              </value>
            </data>
        </array>
        </value>
     
  </value></param>

</params>
</methodCall>