DME call and Javascript

I’ve trying to create a mobile inbasket display exec html file using the example provided by Lawson.  The example displays requisitions, I want to display purchase orders.

We’re on environment 9.0.12.

The example has a function that makes a DME call to retrieve a requisition header, a second function that retrieves requisition lines, and a third that constructs html code using data retrieved in the first two functions, and writes it using mainFrame1.document.write().

The example as it was delivered displays requisitions properly, but I’m having problems with my purchase order version: I don’t see how the program flow works.

The first function in the example, GetReqHdrInfo(), looks like this:

    logancall.out = "JAVASCRIPT"

    logancall.field ="item;description;quantity;entered-uom;unit-cost"

    logancall.index = "rlnset1"

    logancall.max = "250"

    logancall.xida = true

    logancall.key   =   m_Company + "=" +  m_ReqNumber

    logancall.func = "displayRecSum()"

    DME(logancall, "REQLINE")

}

From what I can see, the only way the second function , displayRecSum(), is ever called is by its presence as the “func” parameter in GetReqHdrInfo.  However, in my code, the corresponding displayPoSum() is never called.  (I use multiple document.write statements to trace the program flow.)

First point of confusion is this statement in the documentation, Doc for Developers: IOSApplication ProgramInterfaces—Windows:

“Release 8.0 supported the following values for calls to DME which are no longer in 9.0.x calls to Data.”, and it goes on to list several values, including “.FUNC” .

I’ve also read that “OUT=Javascript” is no longer used in at least one post here are the forum.  So for starters, it appears that the provided example is using obsolete syntax. 

The real problem is that my .func displayPoSum() is not called.

Does anyone have any advice on how to go about debugging this issue?