id - Notion Formula Reference

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Learn how to use the id function in Notion formulas.

The id() function returns the current row’s page ID, which is a unique string. id() accepts no arguments.
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id()
The page ID can also be found at the end of a Notion page’s URL (before any query strings starting with ?.
id() outputs a string that is guaranteed to be unique for each page in a database. It is possible for all other properties - including Name - to contain the same value in multiple rows.
Example Formula
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// Page URL: <https://www.notion.so/thomasfrank/id-c5d67d15854744869cc4a062fb7b1377>
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id() // Output: c5d67d15854744869cc4a062fb7b1377
Example Database
This example database uses the id() function and string concatenation to return the URL of each page within the database.
View and Duplicate Database
id
College Info Geek on Notion
"URL" Property Formula
"https://www.notion.so/" + id()
This formula concatenates the string "https://www.notion.so/" with the output of the id() function using the add operator.
Other formula components used in this example:
add
About the Author
​
 My name is Thomas Frank, and I'm a Notion-certified writer, YouTuber, and template creator. I've been using Notion since 2018 to organize my personal life and to run my business and YouTube channel. In addition to this formula reference, I've created a free Notion course for beginners and several productivity-focused Notion templates. If you'd like to connect, follow me on Twitter.

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Example Formula

Example Database

View and Duplicate Database

"URL" Property Formula