# I want to search in DataSources and get the column ID

**URL:** <https://community.thunkable.com/t/i-want-to-search-in-datasources-and-get-the-column-id/1766281>\
**Category:** Questions about Thunkable X\
**Tags:** beginner\
**Created:** [March 4, 2022, 1:12am UTC](https://community.thunkable.com/t/i-want-to-search-in-datasources-and-get-the-column-id/1766281 "2022-03-04T01:12:42Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\
**Post date:** [March 4, 2022, 3:44pm UTC](https://community.thunkable.com/t/i-want-to-search-in-datasources-and-get-the-column-id/1766281/6 "2022-03-04T15:44:07Z")

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Here’s a demo of how to do this:

[https://x.thunkable.com/copy/c05336660d538ffec6e818808a64ed92](https://x.thunkable.com/copy/c05336660d538ffec6e818808a64ed92)

(See the screen with your username.)

You should never have a join block connected as a row id. Row IDs are either integers or they are long text strings like “H@#7d9E0&n3kL2!m”. You either use a whole number or you look up the ID itself using the list of values block:

 ![image](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/d/2/d262d0b2de506ae9f59c6465e4552ee810835ec2.png)

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_[View the full topic](https://community.thunkable.com/t/i-want-to-search-in-datasources-and-get-the-column-id/1766281)._