diff --git a/src/message/index.ts b/src/message/index.ts
index 38d788a2a..9e6babce1 100644
--- a/src/message/index.ts
+++ b/src/message/index.ts
@@ -17,7 +17,12 @@ export function getErrorText(r): string {
 	return data?.message || r.message
 }
 
-export function error(e, actions = []) {
+export interface Action {
+	title: string,
+	callback: () => void,
+}
+
+export function error(e, actions: Action[] = []) {
 	notify({
 		type: 'error',
 		title: i18n.global.t('error.error'),
@@ -26,7 +31,7 @@ export function error(e, actions = []) {
 	})
 }
 
-export function success(e, actions = []) {
+export function success(e, actions: Action[] = []) {
 	notify({
 		type: 'success',
 		title: i18n.global.t('error.success'),
diff --git a/src/views/tasks/TaskDetailView.vue b/src/views/tasks/TaskDetailView.vue
index b30508280..7dbd20b2b 100644
--- a/src/views/tasks/TaskDetailView.vue
+++ b/src/views/tasks/TaskDetailView.vue
@@ -496,6 +496,7 @@ import {useKanbanStore} from '@/stores/kanban'
 import {useTitle} from '@/composables/useTitle'
 
 import {success} from '@/message'
+import type {Action as MessageAction} from '@/message'
 
 const props = defineProps({
 	taskId: {
@@ -728,7 +729,7 @@ async function saveTask(args?: {
 	Object.assign(task, newTask)
 	setActiveFields()
 
-	let actions = []
+	let actions: MessageAction[] = []
 	if (undoCallback !== null) {
 		actions = [{
 			title: t('task.undo'),