Salesforce offers many ways to call your backend systems. This ways are commonly call integration patterns an some examples are those, callout a web service (REST or SOAP), use an ETL (if you are interested in this pattern, please read our previous post integration-salesforce-talend-etl-heroku), and Outbound Messages in a workflow. This one is probably the simplest way to integrate withing third party system and the most declarative. We don’t need to codify anything in Salesforce to use the patterns. This are enaugh reasons to create a post in our blog. So, here we go
Before we start we need to have a system to integrate with, pretty obvious, isn’t it? ;) So, for this post we are going to deploy a Web Service Server on Heroku. This service will be call by the Outbound Message when the workflow would be trigged in the Salesforce org. As we see in previous posts Heroku allows us to use several programing languages to write our application. In this post we are going to use Go, commonly called GoLang, Go is a modern language created by Google and is getting more and more popular each day. For further information about Go I recommend you to follow this simple Go tutorial that covers all the functionalities of this funny language. A Tour of Go
Deploying on Heroku
Deploy an app on Heroku is a simple process. There is a Heroku CLI with all the operations to create and mantain an application. But there is even a simpler way to deploy a full app on Heroku only by clicking a button. This a very nice way to distribute applications that can be used for your live demos.
In this GitHub repository basic-go-postgres you have a project ready to be deploy by a button click. In order to do that you have to create a
app.json file where you configure the settings of your app. In our case we are only going to add the postgres addon.
Now we are ready to deploy by a single click our app. Go to the basic-go-postgres repository and click in the
Deploy to Heroku button
This is just an image, you need to click the button from the GitHub repository.
Once you click on the button a form will appear asking us the name of the application. In our case we will call it
We click on Deploy and then we save the URL of the new application. That will be
Creating the Outbound Message
Create an workflow that triggers an Outbound message in Salesforce is a declarative process. We don’t need to write a single line of code.
To create the workflow rule. Go to Setup > Workflow Rules > Add New > Pick Account
Fill the workflow config like in the below image
Click Next and create a new action of type Outbound Message. And fill the setting like in this image:
In this example we are sending only the
Name of the account, but of course, we could pick as many fields as we need in our requirement.
Click Save and Activate the Workflow rule.
Thats all!!!! In two simple screens we have integrate our Salesforce with our backend.
Please check this YouTube video in our channel to see the whole process step by step
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