# getDocumentScope method

String getDocumentScope()

Gets the the identification code of the scope on which the document type is defined. For AFNOR XP Z42-101 only.

return The identification code of the scope on which the document type is defined. For AFNOR XP Z42-101 only. throws BiosealException An error has occurred during Bioseal Library execution.

## Implementation

    String getDocumentScope() {
      Pointer<Char> pDocumentScope = nullptr;
      Pointer<Int> pDocumentScopeSize = calloc.allocate(1);
      pDocumentScopeSize[0] = -1;
      try {
        var err = biosealSDK.id3Bioseal_GetDocumentScope(_pHandle.value, pDocumentScope, pDocumentScopeSize);
        if (err == BiosealError.insufficientBuffer.value) {
          pDocumentScope = calloc.allocate(pDocumentScopeSize.value);
          err = biosealSDK.id3Bioseal_GetDocumentScope(_pHandle.value, pDocumentScope, pDocumentScopeSize);
          if (err != BiosealError.success.value) {
            throw BiosealException(err);
          }
        }
        final vDocumentScope = utf8.decode(Uint8List.fromList(pDocumentScope.cast<Uint8>().asTypedList(pDocumentScopeSize.value)));
        return vDocumentScope;
      } finally {
        calloc.free(pDocumentScope);
        calloc.free(pDocumentScopeSize);
      }
    }