Advantask for Google Slides is an extension that allows you to create tasks directly from a Presentation.

Utilizing the add-on a panel will be shown on the right side of your presentation, where you will be able to see your workgroups and create new tasks.

You can use Advantask for Slides for:
Follow on your work in progress documents
Create tasks related to a document specifications
Create functional definitions (software) and follow on the work in progress.
Create approval workflows for Social Media Publications
Edit documents associated to in progress tasks.