1. apireference
2. scripting
3. runservice

IsStudio

Returns

Return Type	Summary
Return Type bool	Summary Whether the current environment is running in Roblox Studio

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Code Samples

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Run Context

This code prints out details of a script’s running context, like if it is running on the server, client, in studio, etc. It uses RunService to do this.

Try pasting this code into a Script or LocalScript. See how it runs in online mode and on a Roblox server (open the developer console).

local RunService = game:GetService("RunService")

if RunService:IsStudio() then
	print("I am in Roblox Studio")
else
	print("I am in an online Roblox Server")
end

if RunService:IsRunMode() then
	print("Running in Studio")
end

if RunService:IsClient() then
	print("I am a client")
else
	print("I am not a client")
end

if RunService:IsServer() then
	print("I am a server")
else
	print("I am not a server")
end

if RunService:IsRunning() then
	print("The game is running")
else
	print("The game is stopped or paused")
end