MQL5 ReferenceStandard LibraryIndicatorsCustom indicatorsParamString NumBuffersNumParamsParamTypeParamLongParamDoubleParamStringType ParamString Gets the value of specified parameter of string type. string ParamString( int index // index ) const Parameters index [in] Parameter index. Return Value The value of specified string parameter, used in creation of the indicator. Note If the number is invalid or the parameter is not of string type, it returns an empty string. ParamDouble Type