Background: With few different ways you can call/invoke popup applet in Siebel. Which are applet server/ browser script, Applet field user properties with vanilla method. Below is the detail of calling popup applet through Siebel workflow. Process: Add new Business Service step in Siebel Workflow, set its properties as below: Business Service Name: SLM Save List Service Business Service Method: LoadPopupApplet Set the values of Input Arguments as below: Input Argument: Applet Mode Type: Literal Value: 1 Input Argument: Applet Width Type: Literal Value: 800 Input Argument: Applet Height Type: Literal Value: 800 Input Argument: Applet Name Type: Literal Value: ABC Popup Applet Applet Modes: 1=Base, 2=New, 3=Edit, 5=Query, 6=EditList See Also: How to call Popup Applet through Browser Script in Siebel How to call Popup Applet through Server Script in Siebel