--- title: "Mapp Engage: Limit the Audience in Segmentation Builder" slug: "mapp-engage-limit-the-audience-in-segmentation-builder" updated: 2024-04-25T16:09:50Z published: 2024-04-25T16:09:50Z canonical: "docs.mapp.com/mapp-engage-limit-the-audience-in-segmentation-builder" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.mapp.com/llms.txt > Use this file to discover all available pages before exploring further. # Mapp Engage: Limit the Audience in Segmentation Builder **11 May 2021** Set a maximum cap on your selection size and control the cost of your campaigns. Use the new functionality with all channels, including our new Direct Mail Channel! ## Key Benefits - Can be used for Email, SMS, or InApp, and try it out for new channels - for instance, our new Direct Mail channel. - Manage your spend more easily, and control the cost of your campaigns. - Apply this functionality to the more complex scenarios, for example, such that involve a sendout staggered over a number of days. ## How does it work? - Set the limitation when creating the audience in Segmentation Builder - Check and refresh calculation of the selection - Control which of your selections have a limitation set **Example:** You want to send Direct Mail to 500 contacts in London. Select *Profile Attribute> City > London*. Then set the search limit to 500. ![](https://cdn.document360.io/554b9b98-6720-4d8b-9919-c7b203d72648/Images/Documentation/ce376b3d-4dc1-4120-8c1e-30cf8d2aa966.gif) ## Availability This feature is part of our Spring 2021 product update. It is available by default to all users of the Segmentation Builder as of 11 May 2021. ## Related Topics [Segmentation Builder Basics](/v1/docs/segmentation-builder-basics)