Add getPageProperty (#212)

Author: almawang

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@notionhq/client",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "A simple and easy to use client for the Notion API",
   "engines": {
     "node": ">=12"

src/Client.ts

@@ -64,6 +64,9 @@ import {
   GetSelfParameters,
   GetSelfResponse,
   getSelf,
+  GetPagePropertyParameters,
+  GetPagePropertyResponse,
+  getPageProperty,
 } from "./api-endpoints"
 import nodeFetch from "node-fetch"
 import {
@@ -404,6 +407,22 @@ export default class Client {
         auth: args?.auth,
       })
     },
+    properties: {
+      /**
+       * Retrieve page property
+       */
+      retrieve: (
+        args: WithAuth<GetPagePropertyParameters>
+      ): Promise<GetPagePropertyResponse> => {
+        return this.request<GetPagePropertyResponse>({
+          path: getPageProperty.path(args),
+          method: getPageProperty.method,
+          query: pick(args, getPageProperty.queryParams),
+          body: pick(args, getPageProperty.bodyParams),
+          auth: args?.auth,
+        })
+      },
+    },
   }
 
   public readonly users = {