Add rinput to be used in next api call
        :param name: key
        :param input_type: variable type
        :param value: value
        :return: True/False, message

def set_rinput(self, name, input_type, value):
        """
        Add rinput to be used in next api call
        :param name: key
        :param input_type: variable type
        :param value: value
        :return: True/False, message
        """
        if type(name) != str:
            return False, "Name must be string"

        if type(input_type) != str:
            return False, "Input type must be string"

        self.r_inputs[name] = {"type": input_type, "value": value}

        return True, "Ok"