diff --git a/packages/analytics-plugin-intercom/package.json b/packages/analytics-plugin-intercom/package.json
index b9b0735d..b0b0d8bf 100644
--- a/packages/analytics-plugin-intercom/package.json
+++ b/packages/analytics-plugin-intercom/package.json
@@ -27,9 +27,11 @@
     "release:patch": "npm version patch && npm publish",
     "release:minor": "npm version minor && npm publish",
     "release:major": "npm version major && npm publish",
-    "es": "../../node_modules/.bin/babel-node ./testBabel.js"
+    "es": "../../node_modules/.bin/babel-node ./testBabel.js",
+    "types": "tsc"
   },
   "main": "lib/analytics-plugin-intercom.cjs.js",
+  "types": "types/browser.d.ts",
   "globalName": "analyticsIntercom",
   "jsnext:main": "lib/analytics-plugin-intercom.es.js",
   "module": "lib/analytics-plugin-intercom.es.js",
@@ -40,6 +42,7 @@
   "files": [
     "dist",
     "lib",
+    "types",
     "README.md"
   ],
   "homepage": "https://github.com/DavidWells/analytics#readme",
diff --git a/packages/analytics-plugin-intercom/src/browser.js b/packages/analytics-plugin-intercom/src/browser.js
index 0ef32df2..4c8ffc24 100644
--- a/packages/analytics-plugin-intercom/src/browser.js
+++ b/packages/analytics-plugin-intercom/src/browser.js
@@ -1,31 +1,33 @@
 /* global analytics */
 
+/**
+  * @typedef {Object} IntercomPluginConfig
+  * @property {string} appId Your intercom app id
+  * @property {boolean=} disableAnonymousTraffic Disable loading intercom for anonymous visitors
+  * @property {string=} alignment Customize left or right position of messenger 
+  * @property {string=} horizontalPadding Customize horizontal padding
+  * @property {string=} verticalPadding Customize vertical padding
+  * @property {string=} customLauncherSelector Css selector of the custom launcher see https://www.intercom.com/help/en/articles/2894-customize-the-intercom-messenger-technical for additional info
+  * @property {string=} userHash User hash used for identity verification
+  */
+
+/** @type IntercomPluginConfig */
 const config = {
-  /* Your intercom app id */
   appId: null,
   disableAnonymousTraffic: false,
-  /* Customize left or right position of messenger */
   alignment: undefined,
-  /* Customize horizontal padding */
   horizontalPadding: undefined,
-  /* Customize vertical padding */
   verticalPadding: undefined,
-  /* Css selector of the custom launcher */
   customLauncherSelector: undefined,
+  userHash: undefined,
 }
 
 /**
  * intercom analytics plugin
  * @link https://getanalytics.io/plugins/intercom/
  * @link https://developers.intercom.com/installing-intercom/docs/intercom-javascript
- * @param {object}  pluginConfig - Plugin settings
- * @param {string}  pluginConfig.appId - Your intercom app id
- * @param {boolean} [pluginConfig.disableAnonymousTraffic] - Disable loading intercom for anonymous visitors
- * @param {string}  [pluginConfig.alignment] - Customize left or right position of messenger
- * @param {number}  [pluginConfig.horizontalPadding] - Customize horizontal padding
- * @param {number}  [pluginConfig.verticalPadding] - Customize vertical padding
- * @param {string}  [pluginConfig.customLauncherSelector] - Css selector of the custom launcher see https://www.intercom.com/help/en/articles/2894-customize-the-intercom-messenger-technical for additional info
- * @return {object} Analytics plugin
+ * @param {IntercomPluginConfig}  pluginConfig - Plugin settings
+ * @return {Object} Analytics plugin
  * @example
  *
  * intercomPlugin({
@@ -81,6 +83,11 @@ function intercomPlugin(pluginConfig = {}) {
         if (typeof intercom === "undefined") return;
         intercom("onUnreadCountChange", callback);
       },
+      update(config) {
+        const intercom = window.Intercom;
+        if (typeof intercom === "undefined") return;
+        intercom("update", config);
+      },
     },
     bootstrap: ({ config, instance }) => {
       /* Load intercom script after userId exists */
@@ -104,6 +111,7 @@ function intercomPlugin(pluginConfig = {}) {
         horizontalPadding,
         verticalPadding,
         customLauncherSelector,
+        userHash,
       } = config;
       if (!appId) {
         throw new Error("No intercom appId");
@@ -154,6 +162,7 @@ function intercomPlugin(pluginConfig = {}) {
         horizontal_padding: horizontalPadding,
         vertical_padding: verticalPadding,
         custom_launcher_selector: customLauncherSelector,
+        user_hash: userHash,
       };
     },
     /* Trigger intercom page view */
@@ -206,7 +215,7 @@ function intercomPlugin(pluginConfig = {}) {
     },
     /* Check if intercom loaded */
     loaded: () => {
-      return window.Intercom;
+      return window.Intercom && window.Intercom.booted;
     },
   };
 }
diff --git a/packages/analytics-plugin-intercom/tsconfig.json b/packages/analytics-plugin-intercom/tsconfig.json
new file mode 100644
index 00000000..5bb74db1
--- /dev/null
+++ b/packages/analytics-plugin-intercom/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json.schemastore.org/tsconfig",
+  "compilerOptions": {
+    "emitDeclarationOnly": true,
+    "declaration": true,
+    "allowJs": true,
+    "declarationDir": "types/"
+  },
+  "include": [
+    "src/**/*.js"
+  ]
+}
diff --git a/packages/analytics-util-types/package.json b/packages/analytics-util-types/package.json
index b4229f53..254af02e 100644
--- a/packages/analytics-util-types/package.json
+++ b/packages/analytics-util-types/package.json
@@ -16,12 +16,13 @@
   "amdName": "utilTypes",
   "source": "src/index.js",
   "main": "dist/analytics-util-types.js",
+  "types": "dist/index.d.ts",
   "module": "dist/analytics-util-types.module.js",
   "unpkg": "dist/analytics-util-types.umd.js",
   "sideEffects": false,
   "scripts": {
     "test": "uvu tests -r esm -i setup",
-    "types": "tsc --noEmit false --emitDeclarationOnly true",
+    "types": "tsc --emitDeclarationOnly -d --allowJs --declarationDir dist/ src/index.js",
     "start": "npm run sync && concurrently 'npm:watch:*' 'npm:copy' 'npm:serve'",
     "serve": "servor dist index.html 8081 --reload --browse",
     "copy": "watchlist examples -- npm run sync",