I've been trying to build a rule that, will take the value of a user input
field called "NumberOfPages" and then set body page usage to "on" for
those pages in range. I have a twelve-page document where every page is
named "sid1", "sid2" etc, and the user is to be able to choose how many of
these pages should be composed - any number between 1-12. (I've put this
rule in the mode "OnRecordStart").

This is the function I've built:

var nrOfPages = Field("NrofPages");

var startCommand = 'FusionPro.Composition.SetBodyPageUsage("sid';
var endCommand = '", 1);'
var s = '';
for (c = 1; c <= nrOfPages; c++) {
var result = startCommand+c+endCommand;
s += result+"\n";
}
return s;

If Field("NrofPages") is set to "3" for example, this function returns:
FusionPro.Composition.SetBodyPageUsage("sid1", 1);
FusionPro.Composition.SetBodyPageUsage("sid2", 1);
FusionPro.Composition.SetBodyPageUsage("sid3", 1);

So far so good, right?

The problem is that when I validate this rule, I get the following
message:

-------------------------------------------

Expressions OK

Return value (ignored at composition time):
FusionPro.Composition.SetBodyPageUsage("sid1", 1);
FusionPro.Composition.SetBodyPageUsage("sid2", 1);
FusionPro.Composition.SetBodyPageUsage("sid3", 1);

------------------------------------------
In other words, at composition, only "sid1" is composed.
What am I doing wrong? Please help me!

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