diff --git a/core/api.txt b/core/api.txt
index a6f7e89801a..e9086b0e571 100644
--- a/core/api.txt
+++ b/core/api.txt
@@ -12,8 +12,8 @@ ion-action-sheet,prop,mode,"ios" | "md",undefined,false,false
 ion-action-sheet,prop,subHeader,string | undefined,undefined,false,false
 ion-action-sheet,prop,translucent,boolean,false,false,false
 ion-action-sheet,method,dismiss,dismiss(data?: any, role?: string | undefined) => Promise<boolean>
-ion-action-sheet,method,onDidDismiss,onDidDismiss() => Promise<OverlayEventDetail<any>>
-ion-action-sheet,method,onWillDismiss,onWillDismiss() => Promise<OverlayEventDetail<any>>
+ion-action-sheet,method,onDidDismiss,onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>
+ion-action-sheet,method,onWillDismiss,onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>
 ion-action-sheet,method,present,present() => Promise<void>
 ion-action-sheet,event,ionActionSheetDidDismiss,OverlayEventDetail<any>,true
 ion-action-sheet,event,ionActionSheetDidPresent,void,true
@@ -58,8 +58,8 @@ ion-alert,prop,mode,"ios" | "md",undefined,false,false
 ion-alert,prop,subHeader,string | undefined,undefined,false,false
 ion-alert,prop,translucent,boolean,false,false,false
 ion-alert,method,dismiss,dismiss(data?: any, role?: string | undefined) => Promise<boolean>
-ion-alert,method,onDidDismiss,onDidDismiss() => Promise<OverlayEventDetail<any>>
-ion-alert,method,onWillDismiss,onWillDismiss() => Promise<OverlayEventDetail<any>>
+ion-alert,method,onDidDismiss,onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>
+ion-alert,method,onWillDismiss,onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>
 ion-alert,method,present,present() => Promise<void>
 ion-alert,event,ionAlertDidDismiss,OverlayEventDetail<any>,true
 ion-alert,event,ionAlertDidPresent,void,true
@@ -612,8 +612,8 @@ ion-loading,prop,showBackdrop,boolean,true,false,false
 ion-loading,prop,spinner,"bubbles" | "circles" | "circular" | "crescent" | "dots" | "lines" | "lines-small" | null | undefined,undefined,false,false
 ion-loading,prop,translucent,boolean,false,false,false
 ion-loading,method,dismiss,dismiss(data?: any, role?: string | undefined) => Promise<boolean>
-ion-loading,method,onDidDismiss,onDidDismiss() => Promise<OverlayEventDetail<any>>
-ion-loading,method,onWillDismiss,onWillDismiss() => Promise<OverlayEventDetail<any>>
+ion-loading,method,onDidDismiss,onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>
+ion-loading,method,onWillDismiss,onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>
 ion-loading,method,present,present() => Promise<void>
 ion-loading,event,ionLoadingDidDismiss,OverlayEventDetail<any>,true
 ion-loading,event,ionLoadingDidPresent,void,true
@@ -695,8 +695,8 @@ ion-modal,prop,presentingElement,HTMLElement | undefined,undefined,false,false
 ion-modal,prop,showBackdrop,boolean,true,false,false
 ion-modal,prop,swipeToClose,boolean,false,false,false
 ion-modal,method,dismiss,dismiss(data?: any, role?: string | undefined) => Promise<boolean>
-ion-modal,method,onDidDismiss,onDidDismiss() => Promise<OverlayEventDetail<any>>
-ion-modal,method,onWillDismiss,onWillDismiss() => Promise<OverlayEventDetail<any>>
+ion-modal,method,onDidDismiss,onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>
+ion-modal,method,onWillDismiss,onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>
 ion-modal,method,present,present() => Promise<void>
 ion-modal,event,ionModalDidDismiss,OverlayEventDetail<any>,true
 ion-modal,event,ionModalDidPresent,void,true
@@ -761,8 +761,8 @@ ion-picker,prop,mode,"ios" | "md",undefined,false,false
 ion-picker,prop,showBackdrop,boolean,true,false,false
 ion-picker,method,dismiss,dismiss(data?: any, role?: string | undefined) => Promise<boolean>
 ion-picker,method,getColumn,getColumn(name: string) => Promise<PickerColumn | undefined>
-ion-picker,method,onDidDismiss,onDidDismiss() => Promise<OverlayEventDetail<any>>
-ion-picker,method,onWillDismiss,onWillDismiss() => Promise<OverlayEventDetail<any>>
+ion-picker,method,onDidDismiss,onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>
+ion-picker,method,onWillDismiss,onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>
 ion-picker,method,present,present() => Promise<void>
 ion-picker,event,ionPickerDidDismiss,OverlayEventDetail<any>,true
 ion-picker,event,ionPickerDidPresent,void,true
@@ -796,8 +796,8 @@ ion-popover,prop,mode,"ios" | "md",undefined,false,false
 ion-popover,prop,showBackdrop,boolean,true,false,false
 ion-popover,prop,translucent,boolean,false,false,false
 ion-popover,method,dismiss,dismiss(data?: any, role?: string | undefined) => Promise<boolean>
-ion-popover,method,onDidDismiss,onDidDismiss() => Promise<OverlayEventDetail<any>>
-ion-popover,method,onWillDismiss,onWillDismiss() => Promise<OverlayEventDetail<any>>
+ion-popover,method,onDidDismiss,onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>
+ion-popover,method,onWillDismiss,onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>
 ion-popover,method,present,present() => Promise<void>
 ion-popover,event,ionPopoverDidDismiss,OverlayEventDetail<any>,true
 ion-popover,event,ionPopoverDidPresent,void,true
@@ -1242,8 +1242,8 @@ ion-toast,prop,mode,"ios" | "md",undefined,false,false
 ion-toast,prop,position,"bottom" | "middle" | "top",'bottom',false,false
 ion-toast,prop,translucent,boolean,false,false,false
 ion-toast,method,dismiss,dismiss(data?: any, role?: string | undefined) => Promise<boolean>
-ion-toast,method,onDidDismiss,onDidDismiss() => Promise<OverlayEventDetail<any>>
-ion-toast,method,onWillDismiss,onWillDismiss() => Promise<OverlayEventDetail<any>>
+ion-toast,method,onDidDismiss,onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>
+ion-toast,method,onWillDismiss,onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>
 ion-toast,method,present,present() => Promise<void>
 ion-toast,event,ionToastDidDismiss,OverlayEventDetail<any>,true
 ion-toast,event,ionToastDidPresent,void,true
diff --git a/core/src/components.d.ts b/core/src/components.d.ts
index e9f5bafb514..7e7f7e21f6c 100644
--- a/core/src/components.d.ts
+++ b/core/src/components.d.ts
@@ -55,11 +55,11 @@ export namespace Components {
         /**
           * Returns a promise that resolves when the action sheet did dismiss.
          */
-        "onDidDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onDidDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         /**
           * Returns a promise that resolves when the action sheet will dismiss.
          */
-        "onWillDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onWillDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         "overlayIndex": number;
         /**
           * Present the action sheet overlay after it has been created.
@@ -128,11 +128,11 @@ export namespace Components {
         /**
           * Returns a promise that resolves when the alert did dismiss.
          */
-        "onDidDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onDidDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         /**
           * Returns a promise that resolves when the alert will dismiss.
          */
-        "onWillDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onWillDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         "overlayIndex": number;
         /**
           * Present the alert overlay after it has been created.
@@ -1159,11 +1159,11 @@ export namespace Components {
         /**
           * Returns a promise that resolves when the loading did dismiss.
          */
-        "onDidDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onDidDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         /**
           * Returns a promise that resolves when the loading will dismiss.
          */
-        "onWillDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onWillDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         "overlayIndex": number;
         /**
           * Present the loading overlay after it has been created.
@@ -1315,11 +1315,11 @@ export namespace Components {
         /**
           * Returns a promise that resolves when the modal did dismiss.
          */
-        "onDidDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onDidDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         /**
           * Returns a promise that resolves when the modal will dismiss.
          */
-        "onWillDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onWillDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         "overlayIndex": number;
         /**
           * Present the modal overlay after it has been created.
@@ -1528,11 +1528,11 @@ export namespace Components {
         /**
           * Returns a promise that resolves when the picker did dismiss.
          */
-        "onDidDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onDidDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         /**
           * Returns a promise that resolves when the picker will dismiss.
          */
-        "onWillDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onWillDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         "overlayIndex": number;
         /**
           * Present the picker overlay after it has been created.
@@ -1600,11 +1600,11 @@ export namespace Components {
         /**
           * Returns a promise that resolves when the popover did dismiss.
          */
-        "onDidDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onDidDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         /**
           * Returns a promise that resolves when the popover will dismiss.
          */
-        "onWillDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onWillDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         "overlayIndex": number;
         /**
           * Present the popover overlay after it has been created.
@@ -2510,11 +2510,11 @@ export namespace Components {
         /**
           * Returns a promise that resolves when the toast did dismiss.
          */
-        "onDidDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onDidDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         /**
           * Returns a promise that resolves when the toast will dismiss.
          */
-        "onWillDismiss": () => Promise<OverlayEventDetail<any>>;
+        "onWillDismiss": <T = any>() => Promise<OverlayEventDetail<T>>;
         "overlayIndex": number;
         /**
           * The position of the toast on the screen.
diff --git a/core/src/components/action-sheet/action-sheet.tsx b/core/src/components/action-sheet/action-sheet.tsx
index 6c2b132b944..38e67459b1d 100644
--- a/core/src/components/action-sheet/action-sheet.tsx
+++ b/core/src/components/action-sheet/action-sheet.tsx
@@ -139,7 +139,7 @@ export class ActionSheet implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the action sheet did dismiss.
    */
   @Method()
-  onDidDismiss(): Promise<OverlayEventDetail> {
+  onDidDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionActionSheetDidDismiss');
   }
 
@@ -148,7 +148,7 @@ export class ActionSheet implements ComponentInterface, OverlayInterface {
    *
    */
   @Method()
-  onWillDismiss(): Promise<OverlayEventDetail> {
+  onWillDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionActionSheetWillDismiss');
   }
 
diff --git a/core/src/components/action-sheet/readme.md b/core/src/components/action-sheet/readme.md
index ff904354144..62988a68eff 100644
--- a/core/src/components/action-sheet/readme.md
+++ b/core/src/components/action-sheet/readme.md
@@ -381,23 +381,23 @@ Type: `Promise<boolean>`
 
 
 
-### `onDidDismiss() => Promise<OverlayEventDetail<any>>`
+### `onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the action sheet did dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
-### `onWillDismiss() => Promise<OverlayEventDetail<any>>`
+### `onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the action sheet will dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
diff --git a/core/src/components/alert/alert.tsx b/core/src/components/alert/alert.tsx
index d9daeecd4db..632e09436f7 100644
--- a/core/src/components/alert/alert.tsx
+++ b/core/src/components/alert/alert.tsx
@@ -224,7 +224,7 @@ export class Alert implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the alert did dismiss.
    */
   @Method()
-  onDidDismiss(): Promise<OverlayEventDetail> {
+  onDidDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionAlertDidDismiss');
   }
 
@@ -232,7 +232,7 @@ export class Alert implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the alert will dismiss.
    */
   @Method()
-  onWillDismiss(): Promise<OverlayEventDetail> {
+  onWillDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionAlertWillDismiss');
   }
 
diff --git a/core/src/components/alert/readme.md b/core/src/components/alert/readme.md
index 36a2f3845ec..4c3f3f13ba4 100644
--- a/core/src/components/alert/readme.md
+++ b/core/src/components/alert/readme.md
@@ -1410,23 +1410,23 @@ Type: `Promise<boolean>`
 
 
 
-### `onDidDismiss() => Promise<OverlayEventDetail<any>>`
+### `onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the alert did dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
-### `onWillDismiss() => Promise<OverlayEventDetail<any>>`
+### `onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the alert will dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
diff --git a/core/src/components/loading/loading.tsx b/core/src/components/loading/loading.tsx
index 70a88bdc372..ed028ac1857 100644
--- a/core/src/components/loading/loading.tsx
+++ b/core/src/components/loading/loading.tsx
@@ -162,7 +162,7 @@ export class Loading implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the loading did dismiss.
    */
   @Method()
-  onDidDismiss(): Promise<OverlayEventDetail> {
+  onDidDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionLoadingDidDismiss');
   }
 
@@ -170,7 +170,7 @@ export class Loading implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the loading will dismiss.
    */
   @Method()
-  onWillDismiss(): Promise<OverlayEventDetail> {
+  onWillDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionLoadingWillDismiss');
   }
 
diff --git a/core/src/components/loading/readme.md b/core/src/components/loading/readme.md
index a02ec87c582..58faecb2d42 100644
--- a/core/src/components/loading/readme.md
+++ b/core/src/components/loading/readme.md
@@ -307,23 +307,23 @@ Type: `Promise<boolean>`
 
 
 
-### `onDidDismiss() => Promise<OverlayEventDetail<any>>`
+### `onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the loading did dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
-### `onWillDismiss() => Promise<OverlayEventDetail<any>>`
+### `onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the loading will dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
diff --git a/core/src/components/modal/modal.tsx b/core/src/components/modal/modal.tsx
index 6907b262e58..0ef2eacb0a7 100644
--- a/core/src/components/modal/modal.tsx
+++ b/core/src/components/modal/modal.tsx
@@ -227,7 +227,7 @@ export class Modal implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the modal did dismiss.
    */
   @Method()
-  onDidDismiss(): Promise<OverlayEventDetail> {
+  onDidDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionModalDidDismiss');
   }
 
@@ -235,7 +235,7 @@ export class Modal implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the modal will dismiss.
    */
   @Method()
-  onWillDismiss(): Promise<OverlayEventDetail> {
+  onWillDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionModalWillDismiss');
   }
 
diff --git a/core/src/components/modal/readme.md b/core/src/components/modal/readme.md
index 47b89200c2d..8f8564731d7 100644
--- a/core/src/components/modal/readme.md
+++ b/core/src/components/modal/readme.md
@@ -644,23 +644,23 @@ Type: `Promise<boolean>`
 
 
 
-### `onDidDismiss() => Promise<OverlayEventDetail<any>>`
+### `onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the modal did dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
-### `onWillDismiss() => Promise<OverlayEventDetail<any>>`
+### `onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the modal will dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
diff --git a/core/src/components/picker/picker.tsx b/core/src/components/picker/picker.tsx
index 5ff5435c5d4..cb793c887d9 100644
--- a/core/src/components/picker/picker.tsx
+++ b/core/src/components/picker/picker.tsx
@@ -137,7 +137,7 @@ export class Picker implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the picker did dismiss.
    */
   @Method()
-  onDidDismiss(): Promise<OverlayEventDetail> {
+  onDidDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionPickerDidDismiss');
   }
 
@@ -145,7 +145,7 @@ export class Picker implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the picker will dismiss.
    */
   @Method()
-  onWillDismiss(): Promise<OverlayEventDetail> {
+  onWillDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionPickerWillDismiss');
   }
 
diff --git a/core/src/components/picker/readme.md b/core/src/components/picker/readme.md
index 392c6dbbb32..0e7513a954f 100644
--- a/core/src/components/picker/readme.md
+++ b/core/src/components/picker/readme.md
@@ -56,23 +56,23 @@ Type: `Promise<PickerColumn | undefined>`
 
 
 
-### `onDidDismiss() => Promise<OverlayEventDetail<any>>`
+### `onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the picker did dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
-### `onWillDismiss() => Promise<OverlayEventDetail<any>>`
+### `onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the picker will dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
diff --git a/core/src/components/popover/popover.tsx b/core/src/components/popover/popover.tsx
index bda5f4628b0..f658cc74e02 100644
--- a/core/src/components/popover/popover.tsx
+++ b/core/src/components/popover/popover.tsx
@@ -159,7 +159,7 @@ export class Popover implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the popover did dismiss.
    */
   @Method()
-  onDidDismiss(): Promise<OverlayEventDetail> {
+  onDidDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionPopoverDidDismiss');
   }
 
@@ -167,7 +167,7 @@ export class Popover implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the popover will dismiss.
    */
   @Method()
-  onWillDismiss(): Promise<OverlayEventDetail> {
+  onWillDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionPopoverWillDismiss');
   }
 
diff --git a/core/src/components/popover/readme.md b/core/src/components/popover/readme.md
index dfa88dc641b..115786ccc05 100644
--- a/core/src/components/popover/readme.md
+++ b/core/src/components/popover/readme.md
@@ -214,23 +214,23 @@ Type: `Promise<boolean>`
 
 
 
-### `onDidDismiss() => Promise<OverlayEventDetail<any>>`
+### `onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the popover did dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
-### `onWillDismiss() => Promise<OverlayEventDetail<any>>`
+### `onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the popover will dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
diff --git a/core/src/components/toast/readme.md b/core/src/components/toast/readme.md
index 4cf57087d70..b32869dd30b 100644
--- a/core/src/components/toast/readme.md
+++ b/core/src/components/toast/readme.md
@@ -257,23 +257,23 @@ Type: `Promise<boolean>`
 
 
 
-### `onDidDismiss() => Promise<OverlayEventDetail<any>>`
+### `onDidDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the toast did dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
-### `onWillDismiss() => Promise<OverlayEventDetail<any>>`
+### `onWillDismiss<T = any>() => Promise<OverlayEventDetail<T>>`
 
 Returns a promise that resolves when the toast will dismiss.
 
 #### Returns
 
-Type: `Promise<OverlayEventDetail<any>>`
+Type: `Promise<OverlayEventDetail<T>>`
 
 
 
diff --git a/core/src/components/toast/toast.tsx b/core/src/components/toast/toast.tsx
index dfd05d89843..2b97eca3490 100644
--- a/core/src/components/toast/toast.tsx
+++ b/core/src/components/toast/toast.tsx
@@ -159,7 +159,7 @@ export class Toast implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the toast did dismiss.
    */
   @Method()
-  onDidDismiss(): Promise<OverlayEventDetail> {
+  onDidDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionToastDidDismiss');
   }
 
@@ -167,7 +167,7 @@ export class Toast implements ComponentInterface, OverlayInterface {
    * Returns a promise that resolves when the toast will dismiss.
    */
   @Method()
-  onWillDismiss(): Promise<OverlayEventDetail> {
+  onWillDismiss<T = any>(): Promise<OverlayEventDetail<T>> {
     return eventMethod(this.el, 'ionToastWillDismiss');
   }