Hi

I've been looking around but i have found nothing regarding this topic so far. In the lighting app builder, you can add global actions to your app pages. I know how to create your own global actions, but when i try to add a custom lighting component action, it just does not show up in the list (with all the other global actions i tried E.g. New Record, Visualforce Page etc. , it worked). Also, i can add the custom action to a publisher layout
My custom action lighting component looks like that:

<aura:component implements="force:lightningQuickAction,force:appHostable,flexipage:availableForAllPageTypes" access="global">

</aura:component>

Am i missing something, or is this simply not possible?