UFT Pro (LeanFT) .NET SDK Reference, Version 14.03
Sync(Int64) Method
milliseconds.
Suspends execution until the SAP GUI for Windows session is available or until timed out.
Remarks

After time-out, the test run continues regardless of the session status.

You can use this method when invoking a new session from an existing session or when moving from a session that is open on one server to a new session on a different server.
Syntax
void Sync( 
   long timeOut
)

Parameters

timeOut
milliseconds.