To Include Parameters in Relations
1. Click Tools > Relations. Alternatively, click on the Edit Parameters dialog box. The Relations dialog box opens.
2. Select Assembly from the Look In list.
3. To check on the parameter exact names and current values click Show > Info > Tools or Show > Info > Steps. The Info option gives you the feature internal ID for the Measure Step.
4. Pick the reference part to display dimensions in symbolic form.
5. Enter the relation and close the Relations dialog box.