In Dynamics 365 Finance and Operations, we can embed PowerApps into workspaces. When configuring the app for embedding, you put the App Name, the App ID, and an Input Context for the app, which lets you choose from various entities from the Dynamics environment (see image).
How do I obtain this input context within the Power App itself? If I'm supposed to use the function UpdateContext, what is the name of the variable I need to reference?