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# ST_YMin

Return the minimum Y coordinate of A

<img src="https://mintcdn.com/wherobots/wLm_IRUSNlHZTHJP/images/sql-functions/ST_YMin/ST_YMin.svg?fit=max&auto=format&n=wLm_IRUSNlHZTHJP&q=85&s=79a2a0396d0e3ad11aaf060e8d9ef537" alt="ST_YMin" width="400" height="160" data-path="images/sql-functions/ST_YMin/ST_YMin.svg" />

## Signatures

```sql theme={"system"}
ST_Y_Min (A: Geometry)
```

## Parameters

<ParamField body="A" type="Geometry" required>
  The input geometry.
</ParamField>

## Return type

<ResponseField type="Double">
  A numeric value.
</ResponseField>

## Example

```sql theme={"system"}
SELECT ST_YMin(ST_GeomFromText('POLYGON((0 0 1, 1 1 1, 1 2 1, 1 1 1, 0 0 1))'))
```

```
0
```