Disclaimer: Facebook says in the description of this feature, that it “may” prompt the opening of the chat window. Spectrm has no further information on what criteria are taken into account.

Time needed: 1 minute.

How to open the facebook messenger chat window automatically:

  1. Go to your Facebook Page Settings section 

  2. Click on “Messaging” 

  3. Ensure that “Prompt people to send messages” is set to “On”