Pattern to index with length change

[ptc-2081336]

Ok, I have a part that has 8-9 instances, each one 19mm longer than the other. Along the length there are holes, and every time the part grows by 19mm another hole is added. Is there a way to setup a relation so I do not need to add the pattern to the family table? I figured there is some way of setting a relationship up with the lengh.
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[SylvainA.]

You can add a relation "p1=(d1-x)/19" Where "p1" is the number of pattern members, "d1" is the total lenght of your part, "x" is a real number, "d1-x" value must be 19 for the shortest part (thus the shortest part will have one hole). But you must add "p1" to your family table (without setting its value for each row) in order to avoid any problem. Then, when an instance of the family table is regenerated, the value of "p1" will be automatically filled by Pro/E (you can use the "Verify instances of the family" command).