# Use QR Code Scanner to scan for attendance

**URL:** <https://community.glideapps.com/t/use-qr-code-scanner-to-scan-for-attendance/77502>\
**Category:** Ask for Help\
**Created:** [October 31, 2024, 7:41am UTC](https://community.glideapps.com/t/use-qr-code-scanner-to-scan-for-attendance/77502 "2024-10-31T07:41:19Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Clement\_Koo](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/clement_koo/32/62759_2.png) [@Clement\_Koo](https://community.glideapps.com/u/Clement_Koo)\
**Post date:** [October 31, 2024, 7:41am UTC](https://community.glideapps.com/t/use-qr-code-scanner-to-scan-for-attendance/77502/1 "2024-10-31T07:41:19Z")

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Hi everyone,

I have generated unique QR codes based on email of participants. I would like to use the in-built Glide scanner to scan these QR codes for attendance. How could I achieve this?

Thank you.

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**Author:** ![MaximeBaker](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/maximebaker/32/80877_2.png) [@MaximeBaker](https://community.glideapps.com/u/MaximeBaker)\
**Post date:** [October 31, 2024, 10:47am UTC](https://community.glideapps.com/t/use-qr-code-scanner-to-scan-for-attendance/77502/2 "2024-10-31T10:47:34Z")

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You might want to take a look at the Glide official documentation about the scanner feature : [University](https://learn.glideapps.com/dl/search/s/8bbbff/r/ysDqKwLLR5O06DYpssJsOA)

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**Author:** ![Carbonsquare](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/carbonsquare/32/55224_2.png) [@Carbonsquare](https://community.glideapps.com/u/Carbonsquare)\
**Post date:** [October 31, 2024, 11:45am UTC](https://community.glideapps.com/t/use-qr-code-scanner-to-scan-for-attendance/77502/3 "2024-10-31T11:45:21Z")

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If you want to scan many barcodes one right after the other, Glide recommends the [Scanner component,](https://www.glideapps.com/docs/essentials/components/scanner) which keeps the user’s camera on and ready to scan. **Each scan will use 5 updates.**

> **[Scanner | Glide Docs](https://www.glideapps.com/docs/essentials/components/scanner)**
>
> Scan barcodes and QR codes with your Glide app.

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<div class="post-metadata">

**Author:** ![Clement\_Koo](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/clement_koo/32/62759_2.png) [@Clement\_Koo](https://community.glideapps.com/u/Clement_Koo)\
**Post date:** [October 31, 2024, 4:11pm UTC](https://community.glideapps.com/t/use-qr-code-scanner-to-scan-for-attendance/77502/4 "2024-10-31T16:11:13Z")

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Thank you Maxime and Carbonsquare. I found a way to query the email based on the list of scans to mark the attendance.

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**Author:** ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/system/32/53398_2.png) [@system](https://community.glideapps.com/u/system)\
**Post date:** [November 7, 2024, 4:12pm UTC](https://community.glideapps.com/t/use-qr-code-scanner-to-scan-for-attendance/77502/5 "2024-11-07T16:12:07Z")

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