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Payment Application Data

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The "applicationData" field can be used to associate custom information with a payment started on the XING Events event page or a payment started through an IFrame. This can for example be used to set your own customer id for the payment to identify who bought a ticket. The flow looks like this:

You pass an additional parameter applicationData=<your data> to the IFrame 
or created a payment with the REST API and provided the applicationData parameter there.

The buyer completes his payment through the IFrame. 

The application data gets associated with the payment being made.

On the REST API, you can retrieve the applicationData as a string field of the payment object: 
{"payment":{..., "applicationData": "<your data>", ...}, "success":true}.

Additionally the parameter is send as a POST parameter to the webhook and available in our Data Exports.