Returns the UTF-8 reason string attached when the signer wrote
one. Empty if absent. Wraps FPDFSignatureObj_GetReason.
Arguments
- sig
A
pdfium_signaturehandle frompdf_signatures().
Returns the UTF-8 reason string attached when the signer wrote
one. Empty if absent. Wraps FPDFSignatureObj_GetReason.
A pdfium_signature handle from pdf_signatures().