How to use the uikit.notification function in uikit

.then((res) => {
						this.$router.push(`/${this.user.username}`);
						UIkit.notification('User updated', {status: 'success', pos: 'bottom-center'});
					})
					.catch((err) => {

.catch((err) => {
						UIkit.notification('Updating user failed', {status: 'danger', pos:'bottom-center'})
					})
			}

public static showSuccessNotification(message: string) {
        UIkit.notification(message, {status: 'success'});
    }

        }).catch(() => this.destinationsListTable.current.setLoading(false) && UIkit.notification(i18n._(t`Cannot delete one or more destinations`), { status: 'danger' }));
    }

onDestinationsTableSaveError = (data, i18n) => {
        if (data) {
            if (data.statusCode === 403) {
                this.deauthorize();
            }
            switch (data.errorCode) {
                case 1:
                    UIkit.notification(i18n._(t`Record with the entered value already exists`), { status: 'danger' });
                    break;
                case 2:
                    UIkit.notification(i18n._(t`Invalid format`), { status: 'danger' });
                    break;
                default:
                    UIkit.notification(i18n._(t`Could not save data`), { status: 'danger' });
            }
        } else {
            UIkit.notification(i18n._(t`Could not save data`), { status: 'danger' });
        }
    }

public static showWarningNotification(message: string) {
        UIkit.notification(message, {status: 'warning'});
    }

public static showInfoNotification(message: string) {
        UIkit.notification(message, {status: 'primary'});
    }

.catch((err) => {
						UIkit.notification('Updating user failed', {status: 'danger', pos: 'bottom-center'})
					})
					.finally(() => this.setLoading(false))

public static showDangerNotification(message: string) {
        UIkit.notification(message, {status: 'danger'});
    }

public static showDefaultNotification(message: string) {
        UIkit.notification(message);
    }