lithium\data\Model::$_meta
Specifies all meta-information for this model class, including the name of the data source it connects to, how it interacts with that class, and how its data structure is defined.
connection: The name of the connection (as defined inConnections::add()) to which the model should bindkey: The primary key or identifier key for records / documents this model produces, i.e.'id'orarray('_id', '_rev'). Defaults to'id'.name: The canonical name of this model. Defaults to the class name.source: The name of the database table or document collection to bind to. Defaults to the lower-cased and underscored name of the class, i.e.class UserProfilemaps to'user_profiles'.title: The field or key used as the title for each record. Defaults to'title'or'name', if those fields are available.
Source
	protected $_meta = array(
		'name' => null,
		'title' => null,
		'class' => null,
		'source' => null,
		'connection' => 'default'
	);