You determine the process model template you need to use and then customize the template based on the PAR you are implementing. Customizing a process model template consists of such tasks as specifying the TN XML document type for a particular wait step and assigning inbound and outbound mapping services to the respective mapping step. For more information about customizing process model templates, see Customizing a Process Model Template . For more information about process models in general, see the Software AG Designer Online Help.