---
page_title: Clickstream Event - Input Validation
product: Hypercheckout
platform: iOS
page_source: https://juspay.io/in/docs/hyper-checkout/ios/resources/clickstream-event--input-validation
llms_txt: https://juspay.io/in/docs/llms.txt
product_llms_txt: https://juspay.io/in/docs/hyper-checkout/llms.txt
---


# 




# Clickstream Event - Input Validation



**Event type:** form_input_validation

**When:** This is emitted whenever user enters incorrect form data (like invalid card number)

![Image](https://dth95m2xtyv8v.cloudfront.net/tesseract/assets/hyper-checkout/ezgif.com-video-to-gif%20(1).gif)
*Event: form_input_validation*



---

## See Also

- [Clickstream Events - Transaction](https://juspay.io/in/docs/hyper-checkout/ios/resources/clickstream-events--transaction)
- [Clickstream Event - Outage Event](https://juspay.io/in/docs/hyper-checkout/ios/resources/clickstream-event--outage-event)