> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wherobots.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ST_Envelope (Python)

> Calculate the envelope boundary of a geometry column.

Calculate the envelope boundary of a geometry column.

SQL reference: [`ST_Envelope`](/reference/wherobots-db/geometry-data/bounding-box/ST_Envelope)

## Signature

```python theme={"system"}
from sedona.spark.sql.st_functions import ST_Envelope

ST_Envelope(geometry: ColumnOrName) -> Column
```

## Parameters

<ParamField path="geometry" type="ColumnOrName" required>
  Geometry column to calculate the envelope of.
</ParamField>

## Returns

<ResponseField name="return" type="Column">
  Envelope of geometry as a geometry column.
</ResponseField>


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