Adobe Form Search Help fetch related values from backend.

hi,

I am using search help in Adobe Form,the values are populeted in from the backend correctly.But when I select a value from the search help I want to fetch the related values from the backend to the form ,(I have written the code in Processor user command of the BADI).Please suggest me in which event of the value help should I call the JS Container.

please help.....

Regards,

Rheema Rahael.