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DFF Fields not refreshing dynamically based on checkbox (Send Dunning Letters) in Manage Customer Page

Vamshi KrishnaOct 10 2025

Hello Experts,

We have a requirement in the Manage Customer → Edit Account → Profile Class page where:

  • The Send Dunning Letters checkbox controls the mandatory behavior of two DFF fields (Under additional Information → Panel Layout Section)
  • When the checkbox is Unchecked, both DFF fields should become Mandatory.
  • When the checkbox is checked, the DFF fields should be non-mandatory.

Current Setup:

  1. In Page Composer, I enabled Auto Submit=True for the Send Dunning Letters checkbox.

  2. For the Panel Layout section(that contains the DFF fields), I set Partial Trigger = DunningLetters (a blue dot appears, confirming the binding).

  3. For each DFF field, the Required property uses this EL expression:

    #{bindings.DunningLetters.inputValue == ‘N’}

Issue:

The Problem occurs when toggling the checkbox multiple in the same session:

  1. If i uncheck the checkbox → DFF fields become mandatory (Expected)

  2. Without saving, if i check it again → the DFF fields remain mandatory(The page does not refresh)

  3. Even after saving, reopening and checking the box again, the DFF fields still behave as mandatory.

  4. In the Expression Builder Test,

    #{bindings.DunningLetters.inputValue} returns blank("), and the value doesn't seem to refresh dynamically.

It seems like the EL expression is not being re-evaluated or refreshed after toggling the checkbox.

Request for Guidance:

  • How to make the DFF fields refresh dynamically based on the checkbox value without requiring a save action in between?
  • Is there an alternative approach to achieve this behavior?
  • Any known workaround to force EL re-evaluation for DFF mandatory logic?

Checkbos Enabled.png

Checkbox Disabled.png

Send Dunning letters.png

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Added on Oct 10 2025
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