diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..abf0239
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,21 @@
+import Vue, { Component } from 'vue'
+
+export default class VJstree extends Vue {
+
+}
+
+export class TreeItem extends Vue {}
+
+export interface TreeDataItem {
+    text: string;
+    value?: string;
+    children?: TreeDataItem[];
+    icon?: string;
+    opened?: boolean;
+    selected?: boolean;
+    disabled?: boolean;
+    loading?: boolean;
+    isLeaf?: boolean;
+    dragDisabled?: boolean;
+    dropDisabled?: boolean;
+}