node-opcua/node-opcua

async setGeneralPackMLMode(value: GeneralPackMLMode): Promise<CallMethodResult> {
    const objectId = new NodeId(2, '::UnitMachin', 6);
    const methodId = new NodeId(NodeIdType.STRING, '::UnitMachin:setModePackML', 6);

    const parameter = new Variant({
      dataType: DataType.UInt32,
      value: value
    });

    return this.session.call({
      inputArguments: [parameter],
      objectId,
      methodId,
    });
  }

CallMethodResult {
  statusCode: ConstantStatusCode {
    _value: 2158690304,
    _description: 'One or more arguments are invalid.',
    _name: 'BadInvalidArgument'
  },
  inputArgumentResults: [
    ConstantStatusCode {
      _value: 2155085824,
      _description: "The value supplied for the attribute is not of the same type as the attribute's value.",
      _name: 'BadTypeMismatch'
    }
  ],
  inputArgumentDiagnosticInfos: [],
  outputArguments: []
}