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jQuery('.popmake .ninja-forms-form').on('submitResponse', function(e, response) {
    var $popup = jQuery(this).parents('.pum'),
	    errors = response.errors;
	
    if (errors === false) {
        $popup.trigger('pumSetCookie');

    	setTimeout(function () {
    	    $popup.popmake('close');
    	}, 5000); // 5 seconds
    }
});