What if we had the ability to do whatever crap we could think of with fb, with all the proxies and fingerprints we needed to keep us from getting caught? React, create BMs, fanpages, flood campaigns, use any scheme you can think of, and do it programmatically?
Everything is in our hands, gentlemen! Browser automation exists to automate those tasks on the Internet for which no API has been created. That is, we tell the browser in our software which buttons to click and which fields to enter data into. At the moment, the whole world uses for similar tasks Selenium - a set of libraries that actually provide interaction between your software and the browser.
Selenium works by Http protocol, i.e. we send GET and POST requests to a certain port, and the browser dances to our tune. Let's see how to get this port for automation Indigo on Windows.
Go to your user's folder: C:\Users\ and look for the .indigobrowser folder (at the beginning of the point!), go into it.

We see the app.properties file, open it in Notepad.
At the very end of the file, write the following line:
multiloginapp.port=45000
So we're saying IndigoIf you want it to listen for incoming connections on port 45000. You can set your port number from 1 to 65535.

Now let's make sure we have everything working:
Start the main interface IndigoIf you have a profile, you can take any profile, open it up, and see its Profile ID. With this number we can launch a particular profile from our software and do wonders with it.

Next, take any tool for sending HTTP requests: curl, Fiddler, I personally prefer PostMan. We create a Get-request there, where we shove the found Profile ID, and also specify that we want to enable automation and load all saved tabs (loadTabs):

And as soon as we send it, we have the right profile running Indigoand in the response we get a new port to which we can already connect using Selenium.
Here's a link to the full set of commandsthat we can send to Indiga: start/stop/share/clone profiles, check if a profile is active or not, and we can also import cookies.
And here's a link from Multilogin's help on browser automation with examples in Java and Python. But it's better to use Selenium's regular help, automate your work and ley in the plus! ☝