- 
Go to Actions > Library and select Add Integration.

Actions-Library
 - 
Read the necessary access requirements and click Continue.

Requirements
 - 
Configure the integration by filling in the fields on the next screen with your Plivo Auth ID and Auth Token and your Plivo phone number.

Configuration
 - Click Create to add the integration to your library.
 - 
Click the Add to flow link on the pop-up that appears.

Add-Flow
 - 
Drag the Action into the flow.

Send-SMS
 - Click Apply Changes. Now this flow will use the Plivo integration to send an SMS message whenever it’s called.