An editor should be able to add emebed object using Universal Discovery Widget onto to dynamic landing page.

When editor drag an EMBED OBJECT element onto my dynamic landing page. Then the Embed Object overlay appears, allowing to add content. When editor click on the + ADD OBJECT button, Then the Universal Discovery Widget appears, allowing editor to select a piece of content. When editor select content in the Universal Discovery Widget. Then a preview appears in the Embed Object overlay.

Wireframes here: https://doc.ez.no/display/PR/Embed+Block