You need to use urn:PushEvent in soap web service call and Example using PushEvent:

<urn:PushEvent>
 <urn:sessiontoken>mc/</urn:sessiontoken>
  <urn:domEvent>
   <rtEvent>
     ...
   </rtEvent>
  </urn:domEvent>
</urn:PushEvent>

Amit Kumar

Results driven Adobe Certified Architect with extensive experience managing and implementing marketing Strategies to drive business growth. Enjoy optimizing the customer experience through the use of data, futuristic thinking + channel mixing – e.g., using creative combinations of traditional methods + shiny new toys like automation platforms.