This feature is available on WP-Chatbot Pro
Time Action takes place to show the Greetings Dialog after selected seconds.
From the Plugin Action settings page,
( WP-Chatbot -> Actions — Show Greeting Dialog )
Set the time to Show Greeting Dialog after Selected Seconds.
E.g: Add 20 to display greeting dialog after 20 seconds.
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From the main Plugins settings page, the Greeting Dialog Display is set to “Hide”
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After some time using this use case, the Greeting Dialog is displayed after Selected Seconds.