To edit a relationship:
Open the Relationships tree drop-down menu.
Select the relationship to be edited.
Select the Edit Relationship button.
The Edit Relationship window is displayed.
Edit the following field(s):
• Relationship Name.• Name of Reference (an example of a reference name is included in the field's title).
• Reference Filter (it identifies the type of reference tags to use).
• Children Filter (it identifies points affected by the reference tags).
Select SAVE.