diff --git a/homepage/machs/lib/machs/achievementGroup.php b/homepage/machs/lib/machs/achievementGroup.php
index 315ce84..e156f52 100644
--- a/homepage/machs/lib/machs/achievementGroup.php
+++ b/homepage/machs/lib/machs/achievementGroup.php
@@ -108,8 +108,6 @@ SQL;
 		$this->unlockingAchievementId = ($unlockingAchievementId == null ? null : (int)$unlockingAchievementId);
 		$this->imageUrl = $imageUrl;
 		$this->canHaveRecords = (bool)$canHaveRecords;
-#		echo("bool(".$canHaveRecords.")=".$this->canHaveRecords."\n");
-#		var_dump($canHaveRecords, $this->canHaveRecords);
 	}
 	
 	/// get the next achievement, the user has to accomplish in that group
@@ -162,8 +160,6 @@ SQL;
 		if(!$getAll)
 			$params[':achievementGroupId'] = array('value'=>$this->getId(), 'data_type'=>PDO::PARAM_INT);
 		$result = dbQuery($this->getDbConnection(), $query, $params);
-#		var_dump($query);
-#		var_dump($result);
 	return $result;
 	}
 
diff --git a/homepage/participo/attendance.php b/homepage/participo/attendance.php
index def7efb..5a31526 100644
--- a/homepage/participo/attendance.php
+++ b/homepage/participo/attendance.php
@@ -25,6 +25,80 @@ setlocale (LC_ALL, 'de_DE@euro', 'de_DE', 'de', 'ge');
 	$userData = getUserData($dbConnection, $_SESSION['user']['userId']);
 	$usersKids = getUsersKids($dbConnection, $_SESSION['user']['userId']);
 
+	abstract class AttendanceType {
+		const __default = null;
+		
+		const Training        = 1;
+		const Excused         = 2;
+		const Ill             = 3;
+		const SpecialTraining = 4;
+		const Competition     = 5;
+	}
+
+	abstract class UserAttribute {
+		const __default = null;
+
+		const IsAdmin = 1;
+		const WantsNewsLetter = 2;
+		const Passive = 3;
+		const InTraining = 4;
+	}
+	/**
+	 * Datastructure and interface for an user
+	 */
+	class User{
+		private $id = null;
+		private $familyName = null;
+		private $givenName = null;
+
+		private $attributes = null;
+
+		function __construct($id, $familyName, $givenName){
+			$this->id = (int)$id;
+			$this->familyName = $familyName;
+			$this->givenName = $givenName;
+		}
+		static function fromArray($member){
+			$id = $member['id'];
+			$familyName = $member['familyName'];
+			$givenName = $member['givenName'];
+			return new User($id, $familyName, $givenName);
+		}
+		static function getUsers($db, $options = []){
+			$attributeId = $options["attributeId"] ?? null;
+			$params = [];
+			$query = "SELECT ".
+				"`cwsvjudo`.`wkParticipo_Users`.`id` AS `id`".
+				", `cwsvjudo`.`wkParticipo_Users`.`vorname` AS `givenName`".
+				", `cwsvjudo`.`wkParticipo_Users`.`name` AS `familyName`".
+				", `cwsvjudo`.`wkParticipo_userAttributes`.`name` AS `attributeName`".
+			"FROM `cwsvjudo`.`wkParticipo_Users` ".
+				"JOIN `cwsvjudo`.`wkParticipo_user<=>userAttributes` ".
+					"ON `cwsvjudo`.`wkParticipo_Users`.`id` = `cwsvjudo`.`wkParticipo_user<=>userAttributes`.`userId`".
+				"JOIN `cwsvjudo`.`wkParticipo_userAttributes` ".
+					"ON `cwsvjudo`.`wkParticipo_user<=>userAttributes`.`attributeId` = `cwsvjudo`.`wkParticipo_userAttributes`.`id`";
+			if($attributeId != null){
+				$query .= " WHERE `cwsvjudo`.`wkParticipo_userAttributes`.`id` = :attributeId";
+				$params['attributeId'] = ['value'=>$attributeId, 'data_type'=>PDO::PARAM_INT];
+			}
+			$query .= ";";
+			$response = dbQuery($db, $query, $params);
+			
+			$users = [];
+			foreach( $response as $r){
+				$users[] = User::fromArray($r);
+			}
+			return $users;
+		}
+		static function htmlTable($users){
+			echo("<table><tr><th>Id<th>Name</th><th>Vorname</th></tr>");
+			foreach( $users as $u){
+				echo("<tr><td>".$u->id."</td><td>".$u->familyName."</td><td>".$u->givenName."</td></tr>");
+			}
+			echo("</table>");
+		}
+	}
+
 	/**
 	 * Datastructure and interface for attendances
 	 */
@@ -32,9 +106,18 @@ setlocale (LC_ALL, 'de_DE@euro', 'de_DE', 'de', 'ge');
 		private $id = null; //< id in the db
 		private $userId = null; //< user of the attendance
 		private $date = null; //< date of the attendance
-		static private $NameOfMonth =["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"];
+		private $type =  null; //< type of attendance
+		
+		static private $Types = [
+			AttendanceType::Training          => "Training"
+			, AttendanceType::Excused         => "Entschuldigt"
+			, AttendanceType::Ill             => "Krank"
+			, AttendanceType::SpecialTraining => "SonderTraining"
+			, AttendanceType::Competition     => "Wettkampf"
+		];
+		static private $NameOfMonth = [1=>"Januar", 2=>"Februar", 3=>"März", 4=>"April", 4=>"Mai", 6=>"Juni", 7=>"Juli", 8=>"August", 9=>"September", 10=>"Oktober", 11=>"November", 12=>"Dezember"];
 		/**
-		 * Undocumented function
+		 * constructor
 		 *
 		 * @param string/int $id id in the db
 		 * @param string/int $userId user of the attendance
@@ -102,7 +185,7 @@ setlocale (LC_ALL, 'de_DE@euro', 'de_DE', 'de', 'ge');
 				$htmlTableString .= "<dt>Gesamt zweites Halbjahr:</dt><dd>".$attendanceCountH2."</dd>";
 				krsort($months);
 				foreach($months as $month=>$days){
-					$htmlTableString .= "<dt>".Attendance::$NameOfMonth[$month-1]."</dt>";
+					$htmlTableString .= "<dt>".Attendance::$NameOfMonth[$month]."</dt>";
 					$htmlTableString .= "<dd>".join(", ", $days)."</dd>";
 				}
 				$htmlTableString .= "</dl></li>";
@@ -111,16 +194,22 @@ setlocale (LC_ALL, 'de_DE@euro', 'de_DE', 'de', 'ge');
 
 			return $htmlTableString;
 		}
+		/**
+		 * group the attendances by year and month.
+		 *
+		 * @param list $attendances list of attendances
+		 * @return array[int][int](list of int) array with a list of days for every month in every year 
+		 */		
 		static function groupAttendances($attendances){
 			$groupedAttendances = [];
 			foreach($attendances as $a){
-				$year = $a->date->format("Y");
+				$year =(int) $a->date->format("Y");
 				if(!array_key_exists($year, $groupedAttendances))
 					$groupedAttendances[$year] = [];
-				$month = $a->date->format("m");
+				$month = (int) $a->date->format("m");
 				if(!array_key_exists($month, $groupedAttendances[$year]))
 					$groupedAttendances[$year][$month] = [];
-				$day = $a->date->format("d");
+				$day = (int) $a->date->format("d");
 				$groupedAttendances[$year][$month][]=$day;
 			}
 			return $groupedAttendances;
@@ -184,6 +273,7 @@ foreach($usersKids as $k){
 if($_SESSION['login']){
 ?>
 		<main>
+				<?php User::htmlTable( User::getUsers($dbConnection, ['attributeId' => UserAttribute::InTraining]));?>
 <?php			// show own ...
 				$ownAttendances = Attendance::getUsersAttendance($dbConnection, $_SESSION['user']['userId']);
 				if (!empty($ownAttendances)){
diff --git a/homepage/participo/lib/db.php b/homepage/participo/lib/db.php
index ba94771..0a9be82 100644
--- a/homepage/participo/lib/db.php
+++ b/homepage/participo/lib/db.php
@@ -64,9 +64,6 @@ if( empty($someOptions['dontFetch' ]) ) $someOptions['dontFetch' ] = false;
 		if(!$pdoResult){
 			echo("Error during dbQuery!\n");
 			echo("DB-Error:\n"); var_dump($aDbConnection->errorInfo());
-//			var_dump($aQueryString);
-//			var_dump($aBindArray);
-//			echo($pdoStatement.errorInfo());
 		}
 		if($someOptions['dontFetch']){
 			$ret = NULL;
@@ -91,9 +88,6 @@ if( empty($someOptions['dontFetch' ]) ) $someOptions['dontFetch' ] = false;
 			);
 		}
 	}
-//var_dump($ret);
-//var_dump($aQueryString);
-//var_dump($aBindArray);
 return $ret;
 }