# Can't creat Alert Monitoring due to lack Time field

**URL:** <https://forum.opensearch.org/t/cant-creat-alert-monitoring-due-to-lack-time-field/19591>\
**Category:** OpenSearch\
**Created:** [May 28, 2024, 1:22pm UTC](https://forum.opensearch.org/t/cant-creat-alert-monitoring-due-to-lack-time-field/19591 "2024-05-28T13:22:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Tiagsky1](https://avatars.discourse-cdn.com/v4/letter/t/7993a0/32.png) [@Tiagsky1](https://forum.opensearch.org/u/Tiagsky1)\
**Post date:** [May 28, 2024, 1:22pm UTC](https://forum.opensearch.org/t/cant-creat-alert-monitoring-due-to-lack-time-field/19591/1 "2024-05-28T13:22:40Z")

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**Versions** (relevant - OpenSearch/Dashboard/Server OS/Browser):

**Describe the issue** :

Do I need to add time field in OpenSearch Dashboards for my index?

I already have @timestamp

**Relevant Logs or Screenshots** :

 ![image](https://us1.discourse-cdn.com/flex019/uploads/mauve_hedgehog/original/2X/3/3ceae7366c3b27b7fd6ca9384d6421c77c4f0d2a.png)

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**Author:** ![pablo](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.opensearch.org/pablo/32/10363_2.png) [@pablo](https://forum.opensearch.org/u/pablo)\
**Post date:** [May 30, 2024, 9:30pm UTC](https://forum.opensearch.org/t/cant-creat-alert-monitoring-due-to-lack-time-field/19591/2 "2024-05-30T21:30:24Z")

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@Tiagsky1 Visual Editor in Per Query monitor and Per bucket monitor types requires this to build the query using UI.  
You can choose Extraction query editor in any of these monitor types and use custom query.