IMPORTANT: Questionmark recommendeds using the Delivery Odata API (click here for documentation) for new integrations, not the QMWISe API. Although we currently continue to issue maintenance updates to this API to support customers with current QMWISe-based integrations, we are no longer adding new methods/functionality to QMWISe. 


Applies to the following products: 
Questionmark OnDemand
Questionmark Perception
Questionmark OnPremise
Applies to the following Perception versions: 
Perception 5.7

This method processes a Participant ID and deletes an existing participant from the repository.

If the participant has any schedules that are not linked to any other participants, then these schedules are also deleted.

If the participant does not already exist in the repository, a SOAP fault message will be returned.

  • Version 4.1 +
  • Version 5.1 +


Input name Description Data type Optional field?


The Participant ID of the participant to be deleted




Output name Description Data type



Please refer to the following page for any error codes that are displayed when using this method.

Appendix - Error codes