One of the chief benefits of Layer is that it allows you to connect data stored outside of Revit directly to Revit elements. However, in situations where large numbers of elements need to be connected, that task can be time-consuming and error-prone. With Layer's new automated lookup field option, you connect your data quickly and predictably.

Before getting started, note that the Revit parameter for an item must much exactly to the contents of a field in a Layer Element.

  1. In Layer, click on the Revit Category you are interested in connecting to your Layer data. If you haven't yet connected a model, refer to this article for instructions.
  2. Select one of the Revit Elements.
  3. In the right-hand panel, click on either the Add a Field or Edit Fields button, depending on the current state of your project.

4. If you previously clicked the Edit Fields button, next click the + sign at the bottom of the window that opens.

If you previously clicked the Add a Field button, continue to the next step.

5. Select the Lookup field type.

6. Enter a name for the field, then select Automatic for Type of Lookup.

7. In the Automatic Criteria, you will need to make several selections in order.

a. Select the field in the current category you want to match to a field in the target category.

b. Select the target category.

c. Select the field in the target category which matches the field you selected in step a.

d. Select the field which will be displayed in the Lookup field.

8. Click Save Field when you're done.

Once you've correlated the fields in both categories you will see the matching Element displayed in the new field.

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