public string | array getReferencedFields () Returns the referenced fields

public array getParams () Returns parameters that must be always used when the related records are obtained

public string | array getOptions () Returns the options

public getOption (mixed $name) Returns an option by the specified name If the option doesn’t exist null is returned

public string | array getIntermediateReferencedFields () Gets the intermediate referenced fields for has-*-through relations

public getIntermediateModel () Gets the intermediate model for has-*-through relations

public string | array getIntermediateFields () Gets the intermediate fields for has-*-through relations

public string | array getForeignKey () Returns the foreign key configuration

public string | array getFields () Returns the fields

integer BELONGS_TO