In this dialog, you can select additional parameters that are then listed in the Room Data Sheet Configuration section of the Settings dialog on the Sanitary tab.
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Project tab ➤ Disciplines ➤ Workflow Pipe Route Concept ➤ Analyse: Pipe Route Concept tab ➤ Settings tab ➤ Sanitary” ➤ 
Select Parameters
Search Term: Allows you to enter a search term for a parameter.
Parameter: Lists the parameters available by default.