Craft\Formerly_SubmissionElementType::getSources PHP Method

    public function getSources($context = null)
    {
        $sources = array();
        foreach (craft()->formerly_forms->getAllForms() as $form) {
            $sources['formerly:' . $form->handle] = array('label' => $form->name, 'criteria' => array('formId' => $form->id), 'key' => $form->id);
        }
        return $sources;
    }