# Can I intentionally fail or throw exception in a painless script for update API?
**URL:** https://discuss.elastic.co/t/can-i-intentionally-fail-or-throw-exception-in-a-painless-script-for-update-api/232327
**Category:** Elasticsearch
**Created:** [May 12, 2020, 9:13pm UTC](https://discuss.elastic.co/t/can-i-intentionally-fail-or-throw-exception-in-a-painless-script-for-update-api/232327 "2020-05-12T21:13:53Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@duopan](https://discuss.elastic.co/u/duopan)
#### Post date: [May 12, 2020, 9:13pm UTC](https://discuss.elastic.co/t/can-i-intentionally-fail-or-throw-exception-in-a-painless-script-for-update-api/232327/1 "2020-05-12T21:13:53Z")
Hello experts,
I would like to throw exception or return error based on application logic in a painless script during update, since update API cannot have any return. But I couldn't find related info on the website yet. Could someone help me with this?
Thank you very much!
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [June 9, 2020, 9:13pm UTC](https://discuss.elastic.co/t/can-i-intentionally-fail-or-throw-exception-in-a-painless-script-for-update-api/232327/2 "2020-06-09T21:13:53Z")
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