How to use the argo-ui.NotificationType.Success function in argo-ui

.then(() =>
                                        notifications.show({
                                            content: 'Updated',
                                            type: NotificationType.Success
                                        })
                                    )

private onAppDeleted() {
        this.appContext.apis.notifications.show({type: NotificationType.Success, content: `Application '${this.props.match.params.name}' was deleted`});
        this.appContext.apis.navigation.goto('/applications');
    }

                                    .then(() => notifications.show({content: 'Updated', type: NotificationType.Success}))
                                    .then(() => setError(null))

return this.performActionOnSelectedWorkflows(ctx, action.title, action.action).then(() => {
                        this.props.clearSelection();
                        this.appContext.apis.notifications.show({
                            content: `Performed '${action.title}' on selected workflows.`,
                            type: NotificationType.Success
                        });
                        this.props.loadWorkflows();
                    });
                },

                                    .then(() => notifications.show({content: 'Updated', type: NotificationType.Success}))
                                    .then(() => setEdited(false))

                                    .then(() => notifications.show({content: 'Updated', type: NotificationType.Success}))
                                    .then(() => setEdited(false))

.then(() =>
                                        notifications.show({type: NotificationType.Success, content: 'Your pipeline pods should terminate within ~30s, before being re-created'})
                                    )

.then(() =>
                                        notifications.show({
                                            content: 'Updated',
                                            type: NotificationType.Success
                                        })
                                    )

private async syncApplication(appName: string, revision: string) {
        const synced = await AppUtils.syncApplication(appName, revision, false, null, this.appContext);
        if (synced) {
            this.appContext.apis.notifications.show({
                type: NotificationType.Success,
                content: `Synced revision`,
            });
        }
    }

private onAppDeleted() {
        this.appContext.apis.notifications.show({ type: NotificationType.Success, content: `Application '${this.props.match.params.name}' was deleted` });
        this.appContext.apis.navigation.goto('/applications');
    }