In this walkthrough, I will show you how to create an ESB application where Itineraries are used to transform the message from source 850 messages to Order messages. The prerequisite of this tutorial is that you have already installed BizTalk ESB on your machine. (If not, then follow my previous blog on how to install and configure BizTalk ESB).

Create a BizTalk application “Contoso.VendorESB” (you can put any name).
Add “Microsoft.Practices.ESB” reference to your application.
Create a receive port and its respective receive location. Use FILE as a transport type and “ItenanrySelectReceiveXml” as receive pipeline.
Go to the properties of “ItenanrySelectReceiveXml”. In “Resolve Party” stage, enter the following values:

Properties Values

ItineraryFactKey Resolver.Itinerary

ResolverConnectionString ITINERARY:\\name=Contoso;
Leave other properties as it is.

Create Dynamic Send port and enter filter:

Microsoft.Practices.ESB.Itinerary.Schemas.ServiceName == Contoso And
	Microsoft.Practices.ESB.Itinerary.Schemas.ServiceState == Pending And
	Microsoft.Practices.ESB.Itinerary.Schemas.ServiceType == Messaging

Now that we have configured our ESB application on BizTalk administration, it’s time for some coding.
GoTo Visual Studio, select BizTalk projects and then select “BizTalk ESB Itinerary Designer”.
Name the project as “Contoso.VendorESB”(again, you can put any name)
Add two more BizTalk projects “Contoso.VendorESB.Maps” and “Contoso.VendorESB.Schemas”.
Deploy both the projects as application name “Contoso.VendorESB”.

Once deployed, open “Contoso.VendorESB.itinerary” itinerary and goto Itinerary Designer properties fill following properties:

Properties	Values
Itinerary Status	`Deployed`
Model Exporter	`Database`
Name	`Contoso`
Required Encryption Certificate	`False`

Select On-Ramp and add it to Itinerary designer. Go to its properties and add the following values:

Properties	Values
BizTalk Application	`Contoso.VendorESB`
Extender	On-Ramp
SendPort	Receive Port name which you have specified for “`Contoso.VendorESB`” application in BizTalk console.

Select Off-Ramp and add it to Itinerary designer.Go to its properties and add the following values:

Properties	Values
BizTalk Application	`Contoso.VendorESB`
Extender	Off-Ramp
SendPort	Send Port name which you have specified for “`Contoso.VendorESB`” application in BizTalk console.

Then select “Itinerary service” shape and add it to designer. GoTo Itinerary service properties and add values to following properties:

Properties	Values
Container	Select OnRamp -> Receive Handlers
Itinerary Service Extender	Messaging
Service Name	`Microsoft.Practices.ESB.Services.Transform`

Add resolver to this “Itinerary service” shape and fill the values of following properties:

Properties Values

Resolver Implementation STATIC

Transform Type Select your map which is supposed to use for transformation

Now add another “Itinerary service” shape, go to its properties and fill the following values:

Properties	Values
Container	Select `OnRamp` -> Receive Handlers
Itinerary Service Extender	Messaging
Service Name	`Microsoft.Practices.ESB.Services.Routing`

Add resolver to this “Itinerary service” and add the following values to its properties:

Properties	Values
Resolver Implementation	`STATIC`
Transform Type	None
Transport Location	Path of your input file e.g. C:\Users\…
Transport Name	FILE

Again add “Itinerary service” shape, go to its properties and fill the following values:

Properties	Values
BizTalk Application	`Contoso.VendorESB`
Itinerary Service Extender	Off-Ramp Extender
Transport Location	Specify output file path e.g. C:\Users\…
Transport Name	FILE

Add another “Itinerary service” shape, go to its properties and fill the following values:

Properties Values

Off- Ramp Select Off-Ramp Send Handlers
Arrange the shapes as given below:
Right click on Itinerary designer, click on “Auto layout model” and then on “Export model”.

Once deployed, test your application.

BizTalk 2013 ESB Sample Application Walkthrough