$Epilog
is a symbol whose value, if any, is evaluated when a dialog or a Wolfram System session is terminated.
Examples
open allclose allBasic Examples (1)
Evaluate $Epilog when the Wolfram Language kernel session is terminated:
Wolfram Research (1988), $Epilog, Wolfram Language function, https://reference.wolfram.com/language/ref/$Epilog.html.
Text
Wolfram Research (1988), $Epilog, Wolfram Language function, https://reference.wolfram.com/language/ref/$Epilog.html.
CMS
Wolfram Language. 1988. "$Epilog." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$Epilog.html.
APA
Wolfram Language. (1988). $Epilog. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$Epilog.html