how to use Value Set levels

[ikwamena]

Pls i need assistance on how to use different levels in value set. I have a field name QE, and QT. I also have 120 oprltions as value set added to QT. I want a situation that when option 1 is selected in QE...the first 30 value set will come up as drop down list in QT and when option 2 in QE is selected next 30 list will come up as dropdown in QT etc

[manojsoni]

See the SetValueSet in Help Manual.

[Gregory Martin]

As Manoj said, you can use the setvalueset function to dynamically change the value set. You will want to add each of your options groups as a separate value set, and then based on QE, you can change the valueset in the preproc of QT.