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Project Tab ➤ Architecture Discipline ➤ Construction Tab ➤ Data Transfer from Rooms ➤ 
Checkboxes
Enabled: The parameter is considered in data transfer.
Source
Name of the parameter in the source file, i.e. in the linked architecture file. The name for the source cannot be edited.
Target
Name of the parameter in the target file that is linked to the parameter from the source file. Clicking on 
opens the dialog Select Parameter, where you can choose a parameter for assigning it to MEP spaces.
Type
Type of the respective parameter. The parameter type cannot be edited.