required
Returns a property that can read/set associated value for specified required item.
Return
a property that can read/set associated value for specified required item
Parameters
prefix
prefix for the config item
name
item name without prefix
description
description for this item
Specify a required item in this config spec.
Return
a property of a required item with prefix of this config spec
Parameters
name
item name without prefix
description
description for this item