hallem

public RestApiResponse<bool> PutEnvelopesDocuments(string envelopeId, string documentId, string fullFileName, byte[] documentBytes)
{
    RestRequest request = GetBaseRequest("envelopes/{envelopeId}/documents/{documentId}", Method.PUT);

    request.AddUrlSegment("envelopeId", envelopeId);
    request.AddUrlSegment("documentId", documentId);
    request.AddHeader("Content-Type", "application/pdf");
    request.AddHeader("Content-Disposition",
        string.Format("file; filename=\"{0}\"; documentid={1}; fileExtension=\"{2}\"",
        Path.GetFileNameWithoutExtension(fullFileName), documentId, Path.GetExtension(fullFileName)));