MQL5 ReferenceTrade SignalsSignalSubscribe SignalBaseGetDoubleSignalBaseGetIntegerSignalBaseGetStringSignalBaseSelectSignalBaseTotalSignalInfoGetDoubleSignalInfoGetIntegerSignalInfoGetStringSignalInfoSetDoubleSignalInfoSetIntegerSignalSubscribeSignalUnSubscribe SignalSubscribe Subscribes to the trading signal. bool SignalSubscribe( long signal_id // signal id ); Parameters signal_id [in] Signal identifier. Return Value Returns true if subscription was successful, otherwise returns false. To read more about the error call GetLastError(). SignalInfoSetInteger SignalUnSubscribe