Create the Session task in the Task Developer or the Workflow Designer. Session tasks created in the Task Developer are reusable.
In the Task Developer or Workflow Designer, click Tasks > Create.
Select Session Task for the task type.
Enter a name for the Session task. Do not use the period character (.) in Session task names. PowerCenter does not allow a Session task name with the period character.
Click Create.
Select the mapping you want to use in the Session task and click OK.