Template::childTemplates()  
Get or set child templates (templates allowed for children of pages using this template)
- May be specified as template IDs or names in an array, or Template objects in a TemplatesArray.
 - To allow any template to be used for children, specify a blank array.
 - To disallow any children (other than what’s already in use) set the 
$template->noChildrenproperty to 1. 
Available since version 3.0.153.
Usage
// basic usage
$items = $template->childTemplates();
// usage with all arguments
$items = $template->childTemplates($setValue = null);Arguments
| Name | Type(s) | Description | 
|---|---|---|
$setValue (optional) | array TemplatesArray null | Specify only when setting, an iterable value containing Template objects, IDs or names  | 
Return value
Template methods and properties
API reference based on ProcessWire core version 3.0.252