 X-Miva-Partial-Render: <item_code>:<md5_param_hash>[,<item_code>:<md5_param_hash>...]
 
//examples
'X-Miva-Partial-Render': 'basket'
'X-Miva-Partial-Render': 'global_minibasket,category_listing'
 
//request and item that has a param such as readytheme: <mvt:item name="readytheme" param="contentsection( 'mini_basket' )" />
'X-Miva-Partial-Render': 'readytheme:24a308d4d1c2fc38a620b980f182a9f2'  [hash for: contentsection( 'mini_basket' )]

	X-Miva-Partial-Render: <item_code>:<md5_param_hash>[,<item_code>:<md5_param_hash>...]

	//examples
	'X-Miva-Partial-Render': 'basket'
	'X-Miva-Partial-Render': 'global_minibasket,category_listing'

	//request and item that has a param such as readytheme: <mvt:item name="readytheme" param="contentsection( 'mini_basket' )" />
	'X-Miva-Partial-Render': 'readytheme:24a308d4d1c2fc38a620b980f182a9f2' [hash for: contentsection( 'mini_basket' )]