Summary
    Sets the key to use in the heading documents to store the heading
    
		id attribute (if it has one).
    - Assembly
 - Wyam
.Html .dll  - Namespace
 - Wyam
.Html  - Containing Type
 - Headings
 
Syntax
public Headings WithIdKey(string idKey)
	Parameters
| Name | Type | Description | 
|---|---|---|
| idKey | string | The key to use for the id. | 
					
Return Value
| Type | Description | 
|---|---|
| Headings | The current module instance. | 
