How does this.submitForm work?

Question

I am submitting to an endpoint and it returns a simple FDF file

                %FDF-1.2
                1 0 obj
                <<
                    /FDF
                    <<
                        /Fields
                        [
                            << /T(Status) /V(OK) >>
                        ]
                    >>
                >>
                endobj
                trailer
                << /Root 1 0 R >>
                %%EOF

How are the fields going to be read? Are the values of the fields going to be populated in some way in the currently opened PDF file?

Thom Parker · Accepted Answer

As Bernd states, there is not field named "Status" on the form. There is one named "field_1". But that's not referenced in the FDF file. So the FDF file will do nothing.

An easy test for any FDF file is to save it to a local file and then load it manually using the "Import" menu item in "Prepare Form". An easy way to verify the format of the FDF is to export data form the form to an FDF usingthe "Export" menu item. Then you can compare the FDF file your loading with one generated by Acrobat, from the specific PDF.

Thom Parker · Answer

The returned FDF file is applied to the PDF that performed the submit action. But if for example, the current PDF did not contain a text field named "Status", then nothing would happen.

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