Facebook added “everyone who engaged with your page” as a new targeting option to custom audiences. It means now everyone who get engaged with your page will be automatically added to your custom audience list
While making such a group of people, you have to choose that what kind of engagement you need to use for making this audience. The engagement audience allows you to reach people with whom you have collaborated with your substance on Facebook stage prior. It can be identified with video, lead advertisement, canvas and page.
A list of people will be popped up in video option who have spent time to watching your videos. As same as a list of viewers will be created related to lead ad, canvas or page. Every one of those users who engaged with you page’s content or advertisement will be included in the custom audience. Working on this way, will be increase in engagement of people on your page.