# Io Reference

Core / Core / Sandbox

|  | Sandbox can be used to run separate instances of Io within the same process.

doSandboxString(aString)

Evaluate aString inside the Sandbox.
messageCount

Returns a number containing the messageCount limit of the Sandbox.
printCallback(string)

default implementation is; method(string, string print)
setMessageCount(anInteger)

Sets the messageCount limit of the receiver.
setTimeLimit(aDouble)

Sets the time limit of the Sandbox.
timeLimit

Returns a number containing the time limit of calls made to the Sandbox.