MQL5 ReferenceStandard LibraryIndicatorsCustom indicatorsParamType NumBuffersNumParamsParamTypeParamLongParamDoubleParamStringType ParamType Gets a type of the parameter. ENUM_DATATYPE ParamType( int index // index ) const Parameters index [in] Parameter index. Return Value Returns the data type of the specified parameter, used in indicator creation. Note If parameter index is invalid, it returns WRONG_VALUE. NumParams ParamLong