zoneminder/web/api/app/Model/Monitor.php

<?php
App::uses('AppModel', 'Model');
/**
 * Monitor Model
 *
 * @property Event $Event
 * @property Zone $Zone
 */
class Monitor extends AppModel {

/**
 * Use table
 *
 * @var mixed False or table name
 */
	public $useTable = 'Monitors';

/**
 * Primary key field
 *
 * @var string
 */
	public $primaryKey = 'Id';

/**
 * Display field
 *
 * @var string
 */
	public $displayField = 'Name';

	public $recursive = -1;

/**
 * Validation rules
 *
 * @var array
 */
	public $validate = array(
		'Id' => array(
			'numeric' => array(
				'rule' => array('numeric'),
				//'message' => 'Your custom message here',
				//'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
	);

	//The Associations below have been created with all possible keys, those that are not needed can be removed

/**
 * hasMany associations
 *
 * @var array
 */
	public $hasMany = array(
		'Event' => array(
			'className' => 'Event',
			'foreignKey' => 'MonitorId',
			'dependent' => false,
			'conditions' => '',
			'fields' => '',
			'order' => '',
			'limit' => '',
			'offset' => '',
			'exclusive' => '',
			'finderQuery' => '',
			'counterQuery' => ''
		),
		'Zone' => array(
			'className' => 'Zone',
			'foreignKey' => 'MonitorId',
			'dependent' => true,
			'conditions' => '',
			'fields' => '',
			'order' => '',
			'limit' => '',
			'offset' => '',
			'exclusive' => '',
			'finderQuery' => '',
			'counterQuery' => ''
		)
	);

  /**
    *  * hasMany associations
    *   *
    *    * @var array
    *     */
  public $hasAndBelongsToMany = array(
    'Group' => array(
      'className' => 'Group',
      'joinTable' =>  'Groups_Monitors',
      'foreignKey' => 'MonitorId',
      'associationForeignKey' => 'GroupId',
      'unique'      =>  true,
      'dependent' => false,
      'conditions' => '',
      'fields' => '',
      'order' => '',
      'limit' => '',
      'offset' => '',
      'exclusive' => '',
      'finderQuery' => '',
      'counterQuery' => ''
    ),
  );

}