Starting with the release of Strategy ONE (March 2024), dossiers are also known as dashboards.
The Embedding SDK Playground includes a whole host of examples for different workflows, and it will also allow you to directly manipulate your own Dossiers as well as generate the code needed for embedding. Check it out here, and let us know what you think! Be sure to read through the Embedding SDK Playground User Manual for help on getting started and troubleshooting.