Range.normalize_field_types method. Changes field type values [FieldChar.field_type](../../../aspose.words.fields/fieldchar/field_type/) of [FieldStart](../../../aspose.words.fields/fieldstart/), [FieldSeparator](../../../aspose.words.fields/fieldseparator/), [FieldEnd](../../../aspose.words.fields/fieldend/) in this range so that they correspond to the field types contained in the field Codes....types contained in the field codes. def normalize_field_types (...type up to date with its field code. doc = aw . Document () builder...