Publishing Engine Programmer's Guide > The Arbortext Publishing Engine Request Manager > Understanding the Internal Structure of Arbortext PE Request Manager > Arbortext PE sub-process Pool Attributes > The id Attribute
  
The id Attribute
The id attribute of an Arbortext PE sub-process pool provides an optional unique identifier. This attribute only needs to be specified if another Arbortext PE sub-process pool refers to this one in its cascade attribute.