Part Modeling > Datum Features > Datum References > To Create an Intent Chain Using a Datum Reference Feature
  
To Create an Intent Chain Using a Datum Reference Feature
1. Click Model > Datum > Reference. The Datum Reference dialog box opens.
2. Under Type, select Intent Chain.
3. In the graphics window or in the Model Tree, select one or more edges or intent chains to define the datum reference feature.
 
* You can also select edges or intent chains first, and then click Model > Datum > Reference to open the Datum Reference dialog box. Intent Chain appears in the Type box.
4. To name the intent datum, select the Intent Name check box. The Intent and Instance boxes become available.
 
* If you do not select the Intent Name check box, the intent object does not receive a descriptive name or a default name. On the Properties tab, you can change the name that appears in the Model Tree, but you cannot use this name to search for intent objects or to automatically place user-defined features (UDFs).
5. In the Intent box, type an intent name, for example, OUTER_EDGE, or accept the default name.
6. In the Instance box, type a descriptive name, for example, MOUNTING_BOSS, or accept the instance number.
7. To limit the references defining the intent object to one:
Select the Single Item check box.
Select an edge or intent chain to define the datum reference feature.
 
* When you select the Single Item check box, your previous reference selection or selections are cleared.
8. Click OK.