A custom dropdown field utilizing a function

custom_dropdown_vardef.php

//custom/Extension/modules/Project/Ext/Vardefs/from_template_c.php
$dictionary['Project']['fields']['from_template_c'] = array (
	'name' => 'from_template_c',
	'vname' => 'LBL_FROM_TEMPLATE',
	'function' => 'getProjectTemplates',
	'type' => 'enum',
	'len' => '100',
	'comment' => 'The template that the project was created from.',
);