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Workflow - Update value in invoice CustomerOrderInvoiceHandling api

  • January 12, 2026
  • 4 replies
  • 29 views

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Hello everyone,

I'm trying to update a value in an invoice, but it's not working. For testing, I hardcoded the Company and InvoiceId values.

Here are the screenshots of the steps:

  1. Read Invoice Data

  2. Update Invoice

  3. Final Read

The OurReference field doesn't update—Step 3 still shows the old value.

However, it works when using Postman.

Any ideas why this might be happening?

 

Best answer by pdollk

Hi ​@golo.naito ,

I think there is a wrong configuration in the update API task (second task). As per the URL you tried in Postman, this API has no nested entity. However, you configured OurReference under the nested entity parameters. It should be configured in the main entity set instead. Please try configuring the update API task accordingly.
 

 

4 replies

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  • Hero (Employee)
  • January 12, 2026

Hi ​@golo.naito ,

According to the second screenshot the parameter OurReference  is declared in the nested entity parameters. shouldn't that be with the main parameters? 


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  • Author
  • Sidekick (Customer)
  • January 12, 2026

OurReference is the field I want to update, in this case with the string ‘test’. Or is this the wrong place for the payload?

 

In Postman, the url would be this: https://egd-ifs-app-test.de/main/ifsapplications/projection/v1/CustomerOrderInvoiceHandling.svc/CustomerOrderInvHeadSet(Company='19060',InvoiceId=370127)

and the payload this:

{

"OurReference" : "test"

}

 


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  • Do Gooder (Employee)
  • Answer
  • January 27, 2026

Hi ​@golo.naito ,

I think there is a wrong configuration in the update API task (second task). As per the URL you tried in Postman, this API has no nested entity. However, you configured OurReference under the nested entity parameters. It should be configured in the main entity set instead. Please try configuring the update API task accordingly.
 

 


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  • Author
  • Sidekick (Customer)
  • January 27, 2026

@pdollk Thank you so much for the explanation! That solved it.