#### This is your sign to try empty()

empty() is crucial for checking whether a value is empty, null, or absent. This function can help users create dynamic formulas that react based on the presence or absence of data. In this blog post, we will explore the structure of the empty() function, break down how it works, and provide examples to illustrate its utility.

For this guide, I referenced the Notion Formula documentation and added my own examples and explanations.

#### Summary

Name | Description | How it works | Example |

empty() | valuates the provided value and returns a boolean value: true if the value is empty, and false if it is not. | empty(value)
or
value.empty() | empty(0) → true |

### empty() Formula

#### How empty() works

The empty() function evaluates the provided value and returns a boolean value: true if the value is empty, and false if it is not.

The syntax for the empty() function is straightforward:

empty(value)

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value.empty()

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Breaking it down

•

value: The value or property that you want to check for emptiness. Returns true (represented as ) if the value is empty. 0, “”, false, and [] are considered empty.

#### Example of empty()

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### Conclusion

The empty() function in Notion is a fundamental tool that enables users to check for the presence of values effectively. By understanding its structure and application, you can create more robust formulas that respond to the state of your data or item.

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