# Set Property

The **Set Property** node allows you to add/ update a property in the dataset.

## Options

### Key

This option refers to the property you would like to update.

### Value

This is the value which will be applied to the property.

### For each

This option allows you to split an array of values across the rows within the dataset.

## Output

Returns the current dataset with the updated values.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.alphi.dev/nodes/set-property.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.