Combined with the << output operator, this informs the client to load the specified resource. If no KeepTime is specified, it is kept for the default duration. If -1
is specified, it will attempt to be loaded indefinitely.
/client/New()
src << load_resource('ambient.ogg', -1, 'login_music', 120)
// keep the ambient music forever, the login music for the next 120 seconds