diff --git a/src/@ionic-native/plugins/calendar/index.ts b/src/@ionic-native/plugins/calendar/index.ts
index bf7e9cf55..d3fc9a425 100644
--- a/src/@ionic-native/plugins/calendar/index.ts
+++ b/src/@ionic-native/plugins/calendar/index.ts
@@ -153,11 +153,11 @@ export class Calendar extends IonicNativePlugin {
   /**
    * Create a calendar. (iOS only)
    *
-   * @param {string | CalendarOptions} nameOrOptions  either a string name or a options object. If string, provide the calendar name. IF an object, provide a calendar name as a string and a calendar color in hex format as a string
+   * @param {string | NameOrOptions} nameOrOptions  either a string name or a options object. If string, provide the calendar name. IF an object, provide a calendar name as a string and a calendar color in hex format as a string
    * @returns {Promise<any>} Returns a Promise
    */
   @Cordova()
-  createCalendar(nameOrOptions: string | CalendarOptions): Promise<any> {
+  createCalendar(nameOrOptions: string | NameOrOptions): Promise<any> {
     return;
   }
 
diff --git a/src/@ionic-native/plugins/file-picker/index.ts b/src/@ionic-native/plugins/file-picker/index.ts
index 02a8cbd66..476446f65 100644
--- a/src/@ionic-native/plugins/file-picker/index.ts
+++ b/src/@ionic-native/plugins/file-picker/index.ts
@@ -1,6 +1,13 @@
 import { Injectable } from '@angular/core';
 import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
 
+export interface IOSFilePickerPosition {
+  x: number;
+  y: number;
+  width: number;
+  height: number;
+};
+
 /**
  * @name iOS File Picker
  * @description
@@ -20,6 +27,8 @@ import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
  *   .catch(err => console.log('Error', err));
  *
  * ```
+ * @interfaces
+ * IOSFilePickerPosition
  */
 @Plugin({
   pluginName: 'iOS File Picker',
@@ -32,10 +41,17 @@ import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
 export class IOSFilePicker extends IonicNativePlugin {
   /**
    * Open a file
+   * @params {string | string[]} [utis]
+   * @params {IOSFilePickerPosition} [position] Set the position of the rectangle where the file picker should show up.
    * @returns {Promise<string>}
    */
-  @Cordova()
-  pickFile(): Promise<string> {
+  @Cordova({
+    callbackOrder: 'reverse'
+  })
+  pickFile(
+    utis?: string | string[],
+    position?: IOSFilePickerPosition
+  ): Promise<string> {
     return;
   }
 }
diff --git a/src/@ionic-native/plugins/ibeacon/index.ts b/src/@ionic-native/plugins/ibeacon/index.ts
index b90f0018a..da3fd6450 100644
--- a/src/@ionic-native/plugins/ibeacon/index.ts
+++ b/src/@ionic-native/plugins/ibeacon/index.ts
@@ -505,9 +505,7 @@ export class IBeacon extends IonicNativePlugin {
    * native layer acknowledged the dispatch of the monitoring request.
    */
   @Cordova({ otherPromise: true })
-  startMonitoringForRegion(region: BeaconRegion): Promise<string> {
-    return;
-  }
+  startMonitoringForRegion(region: Region): Promise<string> { return; }
 
   /**
    * Stop monitoring the specified region.  It is valid to call
@@ -524,9 +522,7 @@ export class IBeacon extends IonicNativePlugin {
    * native layer acknowledged the dispatch of the request to stop monitoring.
    */
   @Cordova({ otherPromise: true })
-  stopMonitoringForRegion(region: BeaconRegion): Promise<void> {
-    return;
-  }
+  stopMonitoringForRegion(region: Region): Promise<void> { return; }
 
   /**
    * Request state the for specified region. When result is ready
@@ -561,9 +557,7 @@ export class IBeacon extends IonicNativePlugin {
    * native layer acknowledged the dispatch of the monitoring request.
    */
   @Cordova({ otherPromise: true })
-  startRangingBeaconsInRegion(region: BeaconRegion): Promise<void> {
-    return;
-  }
+  startRangingBeaconsInRegion(region: Region): Promise<void> { return; }
 
   /**
    * Stop ranging the specified region.  It is valid to call
@@ -580,9 +574,7 @@ export class IBeacon extends IonicNativePlugin {
    * native layer acknowledged the dispatch of the request to stop monitoring.
    */
   @Cordova({ otherPromise: true })
-  stopRangingBeaconsInRegion(region: BeaconRegion): Promise<void> {
-    return;
-  }
+  stopRangingBeaconsInRegion(region: Region): Promise<void> { return; }
 
   /**
    * Queries the native layer to determine the current authorization in effect.
diff --git a/src/@ionic-native/plugins/web-intent/index.ts b/src/@ionic-native/plugins/web-intent/index.ts
index b5de3cc80..94f54e5af 100644
--- a/src/@ionic-native/plugins/web-intent/index.ts
+++ b/src/@ionic-native/plugins/web-intent/index.ts
@@ -7,6 +7,20 @@ import {
 } from '@ionic-native/core';
 import { Observable } from 'rxjs';
 
+export interface IntentOptions {
+  requestCode?: number;
+  type?: string;
+  package?: string;
+  url?: string;
+  extras?: object;
+  action?: string;
+  component?: {
+    package: string;
+    class: string;
+  };
+  flags?: number[];
+};
+
 /**
  * @name Web Intent
  * @description
@@ -30,6 +44,8 @@ import { Observable } from 'rxjs';
  * this.webIntent.startActivity(options).then(onSuccess, onError);
  *
  * ```
+ * @interfaces
+ * IntentOptions
  */
 @Plugin({
   pluginName: 'WebIntent',
@@ -103,30 +119,21 @@ export class WebIntent extends IonicNativePlugin {
 
   /**
    * Launches an Android intent
-   * @param options {Object} { action: any, url: string, type?: string }
+   * @param options {IntentOptions}
    * @returns {Promise<any>}
    */
   @Cordova()
-  startActivity(options: {
-    action: any;
-    extras?: any;
-    url: string;
-    type?: string;
-  }): Promise<any> {
+  startActivity(options: IntentOptions): Promise<any> {
     return;
   }
 
   /**
    * Starts a new activity and return the result to the application
-   * @param options {Object} { action: any, url: string, type?: string }
+   * @param options {IntentOptions}
    * @returns {Promise<any>}
    */
   @Cordova()
-  startActivityForResult(options: {
-    action: any;
-    url: string;
-    type?: string;
-  }): Promise<any> {
+  startActivityForResult(options: IntentOptions): Promise<any> {
     return;
   }
 
@@ -172,27 +179,21 @@ export class WebIntent extends IonicNativePlugin {
 
   /**
    * Sends a custom intent passing optional extras
-   * @param options {Object} { action: string, extras?: { option: boolean } }
+   * @param options {IntentOptions}
    * @returns {Promise<any>}
    */
   @Cordova()
-  sendBroadcast(options: {
-    action: string;
-    extras?: { option: boolean };
-  }): Promise<any> {
+  sendBroadcast(options: IntentOptions): Promise<any> {
     return;
   }
 
   /**
    * Request that a given application service be started
-   * @param options {Object} { action: string, extras?: { option: boolean } }
+   * @param options {IntentOptions}
    * @returns {Promise<any>}
    */
   @Cordova()
-  startService(options: {
-    action: string;
-    extras?: { option: boolean };
-  }): Promise<any> {
+  startService(options: IntentOptions): Promise<any> {
     return;
   }