To Allow or Disallow Reverse Lookup

 
 
 
  1. Click Insert tab Block Definition panel Block Editor.
  2. In the Block Editor, double-click a lookup action in a dynamic block definition.
  3. In the Property Lookup Table dialog box, at the bottom of a Lookup Property column, do one of the following:
    • Click Read Only, and then select Allow Reverse Lookup from the list.
    • Click Allow Reverse Lookup, and then select Read Only from the list.
    NOTE: You can only select Allow Reverse Lookup if you have entered data in the column.