diff --git a/api-reports/NativeScript.api.md b/api-reports/NativeScript.api.md
index c047e2f30..d2d7d9360 100644
--- a/api-reports/NativeScript.api.md
+++ b/api-reports/NativeScript.api.md
@@ -1884,7 +1884,9 @@ export interface ShowModalOptions {
     fullscreen?: boolean;
 
     ios?: {
-        presentationStyle: any /* UIModalPresentationStyle */
+        presentationStyle?: any; /* UIModalPresentationStyle */
+        width?: number;
+        height?: number;
     }
 
     stretched?: boolean;
@@ -3065,9 +3067,9 @@ export class XmlParser {
 // nativescript-core/index.d.ts:117:5 - (ae-forgotten-export) The symbol "layout" needs to be exported by the entry point index.d.ts
 // nativescript-core/index.d.ts:118:5 - (ae-forgotten-export) The symbol "ad" needs to be exported by the entry point index.d.ts
 // nativescript-core/index.d.ts:119:5 - (ae-forgotten-export) The symbol "ios" needs to be exported by the entry point index.d.ts
-// nativescript-core/ui/core/view-base/view-base.d.ts:171:26 - (ae-forgotten-export) The symbol "Property" needs to be exported by the entry point index.d.ts
-// nativescript-core/ui/core/view-base/view-base.d.ts:171:26 - (ae-forgotten-export) The symbol "CssProperty" needs to be exported by the entry point index.d.ts
-// nativescript-core/ui/core/view-base/view-base.d.ts:171:26 - (ae-forgotten-export) The symbol "CssAnimationProperty" needs to be exported by the entry point index.d.ts
+// nativescript-core/ui/core/view-base/view-base.d.ts:179:26 - (ae-forgotten-export) The symbol "Property" needs to be exported by the entry point index.d.ts
+// nativescript-core/ui/core/view-base/view-base.d.ts:179:26 - (ae-forgotten-export) The symbol "CssProperty" needs to be exported by the entry point index.d.ts
+// nativescript-core/ui/core/view-base/view-base.d.ts:179:26 - (ae-forgotten-export) The symbol "CssAnimationProperty" needs to be exported by the entry point index.d.ts
 
 // (No @packageDocumentation comment for this package)
 
diff --git a/nativescript-core/ui/core/view-base/view-base.d.ts b/nativescript-core/ui/core/view-base/view-base.d.ts
index 81723081f..0537ac47e 100644
--- a/nativescript-core/ui/core/view-base/view-base.d.ts
+++ b/nativescript-core/ui/core/view-base/view-base.d.ts
@@ -79,7 +79,15 @@ export interface ShowModalOptions {
         /**
          * The UIModalPresentationStyle to be used when showing the dialog in iOS .
          */
-        presentationStyle: any /* UIModalPresentationStyle */
+        presentationStyle?: any; /* UIModalPresentationStyle */
+        /**
+        * width of the popup dialog
+        */
+        width?: number;
+        /**
+        * height of the popup dialog
+        */
+        height?: number;
     }
     android?: {
         /**
diff --git a/nativescript-core/ui/core/view/view.ios.ts b/nativescript-core/ui/core/view/view.ios.ts
index 822b160b7..d02aa6447 100644
--- a/nativescript-core/ui/core/view/view.ios.ts
+++ b/nativescript-core/ui/core/view/view.ios.ts
@@ -432,6 +432,11 @@ export class View extends ViewCommon implements ViewDefinition {
             controller.modalPresentationStyle = UIModalPresentationStyle.FullScreen;
         } else {
             controller.modalPresentationStyle = UIModalPresentationStyle.FormSheet;
+            //check whether both height and width is provided and are positive numbers
+            // set it has prefered content size to the controller presenting the dialog
+            if (options.ios && options.ios.width > 0 && options.ios.height > 0) {
+                controller.preferredContentSize = CGSizeMake(options.ios.width, options.ios.height);
+            }
         }
 
         if (options.ios && options.ios.presentationStyle) {