# PDL_Vibrate

## Description

Vibrates the device.

## Syntax

>     PDL_Err PDL_Vibrate(int periodMS, int durationMS)

Parameter | Description
--- | ---
periodMS | Vibration frequency in milliseconds. If you want it to vibrate 50 times in one second, for example, you would set it to 20 (20ms x 50ms = 1000ms = 1 second).
durationMS | Total period of vibration in milliseconds.

## Returns

>     PDL_NOERROR - Success
>     PDL_ECONNECTION - Unable to communicate with app card.