Prerequisites: Developer, Enterprise or Unlimited Edition of Salesforce.
Install the Package
Follow the installation link and choose your account
Select "Install for All Users" and click "Install":
After the installation is complete which may take a couple minutes, click "Done". You will be redirected to the Salesforce "Installed packages" page.
Add ChatMessagesHandler utility item
Go to "Setup", find "App Manager" in the left Side Menu, and click it
Find "Service Console" in the list of items, click the arrow right to it, and click "Edit"
Select "Utility Items (Desktop only)" in the left Side Menu, click "Add Utility Item" and select ChatMessagesHandler.
Click "Save" at the bottom of the page.
Add Lokalise Messages to the Service Console
Navigate to Service Console
Open Setup and click "Edit page"
Click left to the "Details" tab to add a new tab and click "Add Tab"
Click the just created tab and select "Custom" from the dropdown list
Set the tab label and click "Done"
Go to the newly created tab
Drag and drop "translationChat" from the components list to the newly created "Lokalise Messages" tab
Drag and drop "sidebarWidget" from the components list to the right menu
Authenticate Lokalise Messages through the sidebar
Click "Authenticate" button in the Sidebar Widget
Click "Allow access" on the authorization page:
You will be redirected to the documentation page, and the application is ready for use.