@Bean
    @ConditionalOnMissingBean(name = "slackNotificationSenderExecutionPlanConfigurer")
    @RefreshScope(proxyMode = ScopedProxyMode.DEFAULT)
    public NotificationSenderExecutionPlanConfigurer slackNotificationSenderExecutionPlanConfigurer(
        @Qualifier("slackNotificationSender") final NotificationSender slackNotificationSender) {
        return () -> slackNotificationSender;
    }
This is {@link CasSlackMessagingAutoConfiguration}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-notifications-slack/src/main/java/org/apereo/cas/config/CasSlackMessagingAutoConfiguration.java