I have a few questions about the following APIs Sorry if it is noob question
If there is already LuauSessionExecutionTask Why is there an “OpenEval” api that evals Lua?
https://create.roblox.com/docs/cloud/api/open-eval
What does “activating” and “deactivating” a universe do?
https://create.roblox.com/docs/cloud/features/universes#/default/post_v1_universes__universeId__activate
Feedback would be appreciated Thankz 
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LuaSessionExecutionTask and OpenEval appear to be different in that LuaSessionExecutionTask runs your script in the context of an actual datamodel within a specified place; including a workspace, server/client environment, and all the instances existing within the place, whereas OpenEval simply executes the script within the Roblox environment. Both of these are likely used internally and externally for unit testing without needing to spin up a local environment to run the script in.
Okay I found out that OpenEval just gives the Luau code to an AI but I still don’t know what activating and deactivating a universe does