Javascript for Trusted function Save As with generated name from fields

See the first example in the following Acrobat JavaScript documentation page:

http://livedocs.adobe.com/acrobat_sdk/9.1/Acrobat9_1_HTMLHelp/wwhelp/wwhimpl/js/html/wwhelp.htm?href=JS_API_AcroJS.88.1.php#1515776&accessible=true

I"m sorry but, which section under that link - that just took me to the main JavaScript API section. thank you

Sorry about that, the correct link is: http://livedocs.adobe.com/acrobat_sdk/9.1/Acrobat9_1_HTMLHelp/JS_API_AcroJS.88.167.php

This is to the app.trustPropagatorFunction documentation.

When you use the saveAs function you need to provide the variable for the doc object and file path/name.

Your folder level function:

mySaveAs = app.trustPropagatorFunction(function(doc,path) {
app.beginPriv();
doc.saveAs(path);
app.endPriv();
})

myTrustedSpecialTaskFunc = app.trustedFunction(function(doc,path) {
// Privileged and/or non-privileged code above
app.beginPriv();
mySaveAs(doc,path);
app.endPriv();
// Privileged and/or non-privileged code below
});


Your button code:

// build file name
var myFileName = "LastName" + "FirstName" + ".pdf";
// add folder name
myFileName = "/c/temp/" + myFileName
myTrustedSpecialTaskFunc(this, myFileName);

You must have the folder c:\temp on your system. If you use another folder it must exist and be a safe path folder.

See the section "trustPropagatorFunction" in the Acrobat JS API Reference.

thank you - that worked to rename the file, but it named it actually "LastNameFirstName.pdf" rather than building the file name out of the "LastName" and "FirstName" fields on the form.
How do I specify that?
thank you for all of your help - this is the furthest I've gotten so far!

Use this:
var myFileName = doc.getField("LastName").value + doc.getField("FirstName").value + ".pdf";

Be aware, though, that if the user entered illegal characters such as \ / < > : ? | or even a comma, the saveAs command will fail.

thanks so much for all of your help -
I ended up changing doc.getField to this.getField and it worked great - I received an error of:

ReferenceError: doc is not defined
when I placed in doc.getField

I tried out this code and get error in the console:
"TypeError: doc.saveAs is not a function
3:Folder-Level:App:pdfsave.js"

I use a folder level .js file to execute the code. I have no idea why it isn't working.

Please help. Thank You.

The last part of the code can't be at the folder-level. It's written as a field or document-level code.

Thank you very much, that was quick.
Understood the problem, now it works.