function argPlayerTurn()
    {
        $args = array(
            'remainingInvestigators' => $this->tokens->countTokensInLocation("pi_supply_" . self::getActivePlayerId())
        );
        return $args;
    }

                        // TODO: hide button if player has no investigator left
                        this.addActionButton(
                            'btn_place_investigator',
                            _('Place an investigator'),
                            'onPlaceInvestigatorClicked');

                        if (args.remainingInvestigators != 0) {
                            this.addActionButton(
                                'btn_place_investigator',
                                dojo.string.substitute(
                                    _('Place an investigator (${nbr} left)'),
                                    {nbr: args.remainingInvestigators}),
                                'onPlaceInvestigatorClicked');
                        }

        "description" => clienttranslate('${actplayer} must select a card, place an investigator, or try to solve'),

        "description" => clienttranslate('${actplayer} must select a card, place an investigator (${remainingInvestigators} left), or try to solve'),

        "args" => "argPlayerTurn",