Live Chat Technicality in Service Cloud

Summary:

Need help on understanding the Live Chat functionality

Content (required):

When a customer initiates a chat, I would like to understand the technical aspects of this use case. Though the functionality is very clear but I would like to know what exactly happens in the backend. where does the request stored, followed by queue assignment, chat acceptance, closure, etc.

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Code Snippet (add any code snippets that support your topic, if applicable):