# MI_PointN

## Description

Returns a point that is the n^{th} vertex in the geometry.

## Syntax

MI_PointN(geometry,n)

## Arguments

`geometry` is an expression that returns a geometry.

`n`is the nth vertex in the geometry

## Example

Returns the third point in the second polygon in the Rhode Island state of the USA.

`select MI_PointN(MI_GeometryN ([Geometry_Column],2),3) as MI_PointN from "/USA" where state in ('RI')`

## Remarks

If the input is not a valid geometry, null is returned.