# Conditionally cancel addition of a line item

**URL:** <https://forum.shopware.com/t/conditionally-cancel-addition-of-a-line-item/94898>\
**Category:** Shopware 6 (English)\
**Created:** [21. Juni 2022 um 06:12 UTC](https://forum.shopware.com/t/conditionally-cancel-addition-of-a-line-item/94898 "2022-06-21T06:12:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Omars](https://avatars.discourse-cdn.com/v4/letter/o/ebca7d/32.png) [@Omars](https://forum.shopware.com/u/Omars)\
**Post date:** [21. Juni 2022 um 06:12 UTC](https://forum.shopware.com/t/conditionally-cancel-addition-of-a-line-item/94898/1 "2022-06-21T06:12:45Z")

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Hello there,  
I would like to conditionally cancel the addition of a line item via `BeforeLineItemAddedEvent` and display an error msg to the user, how may I implement this feature?