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Support Article

Popup or modal dialog does not open in IE when called by scripts



Popup or modal dialog does not open in the Internet Explorer browser when invoked through Scripts

pega.u.d.processAction('FlowActionName', '', '','','',true,event,'ModalTemplate');

The same functionality works in other browsers such as Chrome and Firefox.

Error Messages

Not Applicable

Steps to Reproduce

  1. Add a button to a layout and add a Run script to the action set.
  2. Create a JavaScript function to invoke the pega.u.d.processAction flow action.
  3. Mention the button action in the Run script.
  4. Launch the application in the Internet Explorer browser. Popup does not display.

Root Cause

An issue in the custom application code or rules.

The issue occurs because the event was not set in the Internet Explorer browser. The event object should be passed along with the Run script and the same could be used in the function which was invoked in Run script action.


Perform the following local-change: 
  1. Add an event parameter in the Run script action as script:event onClick of the button where the Run script is called.
  2. Add an extra event parameter to the calling function.
  3. Pass the same event to the processAction API (as earlier).


Published April 3, 2019 - Updated December 2, 2021

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