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

# ETL: GetMilliSecond

> Extract the millisecond component from a datetime expression. Use GETMILLISECOND for sub-second precision timing in Integrate.io ETL pipelines.

## Description

Returns the millisecond from a datetime expression.

## Syntax

`GetMilliSecond(datetime_expression)`

## Examples

`GetMilliSecond(ToDate('2013-09-10T08:02:31.667Z'))` returns 667

## Return value datatype

Integer

## Impact of null value

If input is null, returns null.