Hi Jonathan, I have just started building a POC for this and noticed the same thing.
Currently testing adding a "Social Script" to the Chat Script (Forward to Script) and it "does" work. You can run in queue treatment this way, however the lowest queue loop of 30mins is not ideal.
I did a "Test Condition of Queue" if no agents waiting send prompt "No agents available" and it spammed the chat window as it kept looping. The only option was to make it send that every 30mins which is poor form.
BUT, you can embed a script within the script with more options.
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Ben Fischer
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