Enhance Your eSignature Workflow with Customized SMS Notifications Using the BoldSign API

    
public async Task<IActionResult> Webhook()
    {
        var sr = new StreamReader(this.Request.Body);
        var json = await sr.ReadToEndAsync();

        if (this.Request.Headers[WebhookUtility.BoldSignEventHeader] == "Verification")
        {
            return this.Ok();
        }

        // TODO: Update your webhook secret key
        var SECRET_KEY = "***SECRET_KEY***";
        try
        {
            WebhookUtility.ValidateSignature(json, this.Request.Headers[WebhookUtility.BoldSignSignatureHeader],
                SECRET_KEY);
        }
        catch (BoldSignSignatureException ex)
        {
            Console.WriteLine(ex);

            return this.Forbid();
        }

        var eventPayload = WebhookUtility.ParseEvent(json);
        var doc = eventPayload.Data as DocumentEvent;
        switch (eventPayload.Event.EventType)
        {
            case WebHookEventType.Sent:
            {
                var signerDetailsList = (eventPayload.Data as DocumentEvent)?.SignerDetails;
                if (signerDetailsList != null)
                {
                    foreach (var signer in signerDetailsList)
                    {
                        this.SendLinkToSigner(doc.DocumentId, signer.SignerEmail);
                    }
                }

                break;
            }
            case WebHookEventType.Signed:
            {
                var signerList = (eventPayload.Data as DocumentEvent)?.SignerDetails;
                if (signerList != null)
                {
                    var signerDetail = signerList.Where(x=>x.Status == SignerStatus.Completed && x.LastActivityDate!=null).OrderByDescending(x=>x.LastActivityDate).FirstOrDefault();
               
                    if (signerDetail != null)
                    {
                        this.UpdateSignerStatus(signerDetail.SignerName);
                    }
                }

                break;
            }
            case WebHookEventType.Completed:
                this.UpdateCompletionStatus();
                break;
        }

        return this.Ok();
    }

    private async Task UpdateSignerStatus(string signerName)
    {
        // Replace these with your actual Twilio credentials
        string accountSid = "";
        string authToken = "";
        
        // Replace these with the phone numbers
        string twilioNumber = "";
        string recipientNumber = "";
        
        // Initialize Twilio client
        TwilioClient.Init(accountSid, authToken);

        // Send SMS
        var message = MessageResource.Create(
            body: $"Document was now signed by : { signerName }",
            from: new Twilio.Types.PhoneNumber(twilioNumber),
            to: new Twilio.Types.PhoneNumber(recipientNumber)
        );
    }