Calculates the Relative Strength Index indicator and returns its value.    
    
                    await Indicators.RSI(symbol:string, timeframe:string, period:int, appliedPrice:int, priceType:int)
    
    
            
            Parameters
            
                
                
                    | Name | 
                    Type | 
                    Действие | 
                    Значение по умолчанию | 
                
                
                
                                    
                        | symbol | 
                        string | 
                        Symbol name on the data of which the indicator will be calculated. null means the current symbol. | 
                        — | 
                    
                                    
                        | timeframe | 
                        string | 
                        TimeFrame. It can be any of TimeFrame enumeration values. 0 means the current chart timeframe. | 
                        — | 
                    
                                    
                        | period | 
                        int | 
                        Averaging period for calculation. | 
                        — | 
                    
                                    
                        | appliedPrice | 
                        int | 
                         Applied price. It can be any of AppliedPrice enumeration values. | 
                        — | 
                    
                                    
                        | priceType | 
                        int | 
                         Price type | 
                        — | 
                    
                                
            
         
    
            
            Return value
            
                Numerical values of the Relative Strength Index indicator.
                            
         
    
    
        
        Example
        let list = await Indicator.RSI(null, 0, 14, AppliedPrice.Close, PriceType.Bid);