I know I can use <ng-content> to project/transclude content from parent to child component but I want the opposite: I have a main component with a kind of statusbar on top of it and I use routing (<router-outlet>) to display the current page. I want each page to be able to define elements into the statusbar of the main component. Here's a partial answer about it: https://stackoverflow.com/a/53209994/11008903 but it does'nt work, even if I directly include my child component without routing (<my-child-component> instead of <router-outlet>). I can't find any way to do it. I join an illustration of what I'm trying to do. Thanks Continue reading...