Contentlanguage form field type
From Joomla! Documentation
Provides a list of installed content languages for use in conjunction with the language switcher plugin.
- name (mandatory) is the unique name of the parameter.
- type (mandatory) must be contentlanguage.
- label (mandatory) (translatable) is the descriptive title of the field.
- description (optional) (translatable) tooltip for the form field.
Example XML Definition:
<field name="language" type="contentlanguage"
label="JFIELD_LANGUAGE_LABEL"
description="COM_CATEGORIES_FIELD_LANGUAGE_DESC"
class="span12 small" >
<option value="*">JALL</option>
</field>