This member cannot be accessed by any Lua code. Attempts to do so will result in an error.
It may be possible to change its value from Roblox Studio’s property window.
The StreamingEnabled property determines whether game content streaming is enabled for the place. This property is not scriptable and therefore must be set on the Workspace object in Studio.
For a detailed explanation of game content streaming, best practices, and implementation notes, see
articles/content streaming|Game Content Streaming.