With Multitasks you can send several different individual requests in one request. Only one Auth-Block is required.

The CTID is returned for a multitask in each "result" tag.

Example

XML
 <request>
       <auth>
             <user>customer</user>
             <password>password</password>
             <context>4</context>
       </auth>
       <task>
             <code>0130</code>
             <ctid>100001</ctid>
       </task>
       <task>
             <code>0101</code>
             <ctid>100002</ctid>
       </task>
 </request>