This document contains detailed information about setting up a connection for the Allyy Salesforce Connector application.A new Connected App should be created to establish a secure connection between the application and Salesforce to retrieve the Consumer Key and Secret.
Copy key and secret from the opened page and paste them into the application
Click on the “Save and Connect” button
If you see the error like in the picture below, it means, that Salesforce still needs some time to initialize the newly created Connected App. Just go back, and click the Save and Connect button again after some time.
Click on the “Allow” button
The next page should appear if Salesforce had enough time for the Connected App activation.
Below is the success screen
Copy code parameter from the URL
Go to the Salesforce app (it should be in the neighbor tab). A popup with input should appear. Past the copied code to the popup and click continue.