diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common.ts
index 99ff344bab..25460a262e 100644
--- a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common.ts
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common.ts
@@ -11,11 +11,10 @@ export type AllUniversalWorkspaceMigrationAction<
     WorkspaceMigrationActionType = WorkspaceMigrationActionType,
 > = MetadataUniversalWorkspaceMigrationAction<AllMetadataName, TActionType>;
 
-export type AllFlatWorkspaceMigrationAction =
-  MetadataFlatWorkspaceMigrationAction<
-    AllMetadataName,
-    WorkspaceMigrationActionType
-  >;
+export type AllFlatWorkspaceMigrationAction<
+  TActionType extends
+    WorkspaceMigrationActionType = WorkspaceMigrationActionType,
+> = MetadataFlatWorkspaceMigrationAction<AllMetadataName, TActionType>;
 
 export { WorkspaceMigrationActionType };
 
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/interfaces/workspace-migration-runner-action-handler-service.interface.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/interfaces/workspace-migration-runner-action-handler-service.interface.ts
index 3adafdf891..f535e4c0e4 100644
--- a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/interfaces/workspace-migration-runner-action-handler-service.interface.ts
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/interfaces/workspace-migration-runner-action-handler-service.interface.ts
@@ -25,20 +25,35 @@ import {
   WorkspaceMigrationRunnerException,
   WorkspaceMigrationRunnerExceptionCode,
 } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/exceptions/workspace-migration-runner.exception';
+import { type MetadataEvent } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/metadata-event';
 import {
   WorkspaceMigrationActionRunnerContext,
   type WorkspaceMigrationActionRunnerArgs,
 } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/workspace-migration-action-runner-args.type';
+import { deriveMetadataEventsFromCreateAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-create-action.util';
+import { deriveMetadataEventsFromDeleteAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-delete-action.util';
+import { deriveMetadataEventsFromUpdateAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-update-action.util';
 import { optimisticallyApplyCreateActionOnAllFlatEntityMaps } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-create-action-on-all-flat-entity-maps.util';
 import { optimisticallyApplyDeleteActionOnAllFlatEntityMaps } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-delete-action-on-all-flat-entity-maps.util';
 import { optimisticallyApplyUpdateActionOnAllFlatEntityMaps } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-update-action-on-all-flat-entity-maps.util';
 
-type OptimisticallyApplyActionOnAllFlatEntityMapsArgs<
+type FlatActionWithAllFlatEntityMapsArgs<
   TFlatAction extends AllFlatWorkspaceMigrationAction,
 > = {
   flatAction: TFlatAction;
   allFlatEntityMaps: AllFlatEntityMaps;
 };
+
+export type ActionHandlerExecuteResult<TMetadataName extends AllMetadataName> =
+  {
+    partialOptimisticCache: Pick<
+      AllFlatEntityMaps,
+      | MetadataRelatedFlatEntityMapsKeys<TMetadataName>
+      | MetadataToFlatEntityMapsKey<TMetadataName>
+    >;
+    metadataEvents: MetadataEvent[];
+  };
+
 export abstract class BaseWorkspaceMigrationRunnerActionHandlerService<
   TActionType extends WorkspaceMigrationActionType,
   TMetadataName extends AllMetadataName,
@@ -97,7 +112,7 @@ export abstract class BaseWorkspaceMigrationRunnerActionHandlerService<
   private optimisticallyApplyActionOnAllFlatEntityMaps({
     flatAction,
     allFlatEntityMaps,
-  }: OptimisticallyApplyActionOnAllFlatEntityMapsArgs<TFlatAction>): Pick<
+  }: FlatActionWithAllFlatEntityMapsArgs<TFlatAction>): Pick<
     AllFlatEntityMaps,
     | MetadataRelatedFlatEntityMapsKeys<TMetadataName>
     | MetadataToFlatEntityMapsKey<TMetadataName>
@@ -124,6 +139,29 @@ export abstract class BaseWorkspaceMigrationRunnerActionHandlerService<
     }
   }
 
+  private deriveMetadataEventsFromFlatAction({
+    flatAction,
+    allFlatEntityMaps,
+  }: FlatActionWithAllFlatEntityMapsArgs<TFlatAction>): MetadataEvent[] {
+    switch (flatAction.type) {
+      case 'create': {
+        return deriveMetadataEventsFromCreateAction(flatAction);
+      }
+      case 'delete': {
+        return deriveMetadataEventsFromDeleteAction({
+          flatAction,
+          allFlatEntityMaps,
+        });
+      }
+      case 'update': {
+        return deriveMetadataEventsFromUpdateAction({
+          flatAction,
+          allFlatEntityMaps,
+        });
+      }
+    }
+  }
+
   rollbackForMetadata(
     _context: Omit<
       WorkspaceMigrationActionRunnerArgs<TUniversalAction>,
@@ -178,13 +216,7 @@ export abstract class BaseWorkspaceMigrationRunnerActionHandlerService<
 
   async execute(
     context: WorkspaceMigrationActionRunnerArgs<TUniversalAction>,
-  ): Promise<
-    Pick<
-      AllFlatEntityMaps,
-      | MetadataRelatedFlatEntityMapsKeys<TMetadataName>
-      | MetadataToFlatEntityMapsKey<TMetadataName>
-    >
-  > {
+  ): Promise<ActionHandlerExecuteResult<TMetadataName>> {
     const flatAction =
       await this.transpileUniversalActionToFlatActionOrThrow(context);
 
@@ -216,13 +248,18 @@ export abstract class BaseWorkspaceMigrationRunnerActionHandlerService<
       });
     }
 
+    const metadataEvents = this.deriveMetadataEventsFromFlatAction({
+      flatAction,
+      allFlatEntityMaps: context.allFlatEntityMaps,
+    });
+
     const partialOptimisticCache =
       this.optimisticallyApplyActionOnAllFlatEntityMaps({
         flatAction,
         allFlatEntityMaps: context.allFlatEntityMaps,
       });
 
-    return partialOptimisticCache;
+    return { partialOptimisticCache, metadataEvents };
   }
 
   async rollback(
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/services/workspace-migration-runner.service.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/services/workspace-migration-runner.service.ts
index 42f57daefb..a7c13ccc8c 100644
--- a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/services/workspace-migration-runner.service.ts
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/services/workspace-migration-runner.service.ts
@@ -8,6 +8,7 @@ import { DataSource } from 'typeorm';
 import { LoggerService } from 'src/engine/core-modules/logger/logger.service';
 import { WorkspaceManyOrAllFlatEntityMapsCacheService } from 'src/engine/metadata-modules/flat-entity/services/workspace-many-or-all-flat-entity-maps-cache.service';
 import { AllFlatEntityMaps } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-maps.type';
+import { type MetadataEvent } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/metadata-event';
 import { getMetadataFlatEntityMapsKey } from 'src/engine/metadata-modules/flat-entity/utils/get-metadata-flat-entity-maps-key.util';
 import { getMetadataRelatedMetadataNames } from 'src/engine/metadata-modules/flat-entity/utils/get-metadata-related-metadata-names.util';
 import { getMetadataSerializedRelationNames } from 'src/engine/metadata-modules/flat-entity/utils/get-metadata-serialized-relation-names.util';
@@ -152,7 +153,10 @@ export class WorkspaceMigrationRunnerService {
     actions,
     applicationUniversalIdentifier,
     workspaceId,
-  }: WorkspaceMigration): Promise<AllFlatEntityMaps> => {
+  }: WorkspaceMigration): Promise<{
+    allFlatEntityMaps: AllFlatEntityMaps;
+    metadataEvents: MetadataEvent[];
+  }> => {
     this.logger.time('Runner', 'Total execution');
     this.logger.time('Runner', 'Initial cache retrieval');
 
@@ -207,8 +211,10 @@ export class WorkspaceMigrationRunnerService {
       await queryRunner.connect();
       await queryRunner.startTransaction();
 
+      const allMetadataEvents: MetadataEvent[] = [];
+
       for (const action of actions) {
-        const result =
+        const { partialOptimisticCache, metadataEvents } =
           await this.workspaceMigrationRunnerActionHandlerRegistry.executeActionHandler(
             {
               action,
@@ -224,8 +230,10 @@ export class WorkspaceMigrationRunnerService {
 
         allFlatEntityMaps = {
           ...allFlatEntityMaps,
-          ...result,
+          ...partialOptimisticCache,
         } as typeof allFlatEntityMaps;
+
+        allMetadataEvents.push(...metadataEvents);
       }
 
       await queryRunner.commitTransaction();
@@ -239,7 +247,7 @@ export class WorkspaceMigrationRunnerService {
 
       this.logger.timeEnd('Runner', 'Total execution');
 
-      return allFlatEntityMaps;
+      return { allFlatEntityMaps, metadataEvents: allMetadataEvents };
     } catch (error) {
       if (queryRunner.isTransactionActive) {
         await queryRunner.rollbackTransaction().catch((error) =>
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/metadata-event.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/metadata-event.ts
new file mode 100644
index 0000000000..7e8ef374e3
--- /dev/null
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/metadata-event.ts
@@ -0,0 +1,52 @@
+import { type AllMetadataName } from 'twenty-shared/metadata';
+
+import { type MetadataFlatEntity } from 'src/engine/metadata-modules/flat-entity/types/metadata-flat-entity.type';
+import { type MetadataUniversalFlatEntityPropertiesToCompare } from 'src/engine/workspace-manager/workspace-migration/universal-flat-entity/types/metadata-universal-flat-entity-properties-to-compare.type';
+
+type BaseMetadataEvent<T extends AllMetadataName, TPayload extends object> = {
+  metadataName: T;
+  properties: TPayload;
+};
+
+export type DeleteMetadataEvent<T extends AllMetadataName> = BaseMetadataEvent<
+  T,
+  { before: MetadataFlatEntity<T> }
+> & {
+  type: 'delete';
+};
+
+export type UpdateMetadataEventDiff<
+  T extends AllMetadataName,
+  TProperties extends MetadataUniversalFlatEntityPropertiesToCompare<T>,
+> = {
+  [P in TProperties]: {
+    before: MetadataFlatEntity<T>[P];
+    after: MetadataFlatEntity<T>[P];
+  };
+};
+
+export type UpdateMetadataEvent<
+  T extends AllMetadataName,
+  TProperties extends
+    MetadataUniversalFlatEntityPropertiesToCompare<T> = MetadataUniversalFlatEntityPropertiesToCompare<T>,
+> = BaseMetadataEvent<
+  T,
+  {
+    updatedFields: TProperties[];
+    diff: UpdateMetadataEventDiff<T, TProperties>;
+    before: MetadataFlatEntity<T>;
+    after: MetadataFlatEntity<T>;
+  }
+> & { type: 'update' };
+
+export type CreateMetadataEvent<T extends AllMetadataName> = BaseMetadataEvent<
+  T,
+  {
+    after: MetadataFlatEntity<T>;
+  }
+> & { type: 'create' };
+
+export type MetadataEvent<T extends AllMetadataName = AllMetadataName> =
+  | DeleteMetadataEvent<T>
+  | UpdateMetadataEvent<T>
+  | CreateMetadataEvent<T>;
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-create-action.util.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-create-action.util.ts
new file mode 100644
index 0000000000..da2345fd9d
--- /dev/null
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-create-action.util.ts
@@ -0,0 +1,79 @@
+import { assertUnreachable } from 'twenty-shared/utils';
+
+import { type AllFlatWorkspaceMigrationAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common';
+import {
+  type CreateMetadataEvent,
+  type MetadataEvent,
+} from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/metadata-event';
+
+export const deriveMetadataEventsFromCreateAction = (
+  flatAction: AllFlatWorkspaceMigrationAction<'create'>,
+): MetadataEvent[] => {
+  switch (flatAction.metadataName) {
+    case 'fieldMetadata': {
+      return flatAction.flatFieldMetadatas.map(
+        (flatFieldMetadata): CreateMetadataEvent<'fieldMetadata'> => ({
+          type: 'create',
+          metadataName: 'fieldMetadata',
+          properties: {
+            after: flatFieldMetadata,
+          },
+        }),
+      );
+    }
+    case 'objectMetadata': {
+      const objectEvent: CreateMetadataEvent<'objectMetadata'> = {
+        type: 'create',
+        metadataName: 'objectMetadata',
+        properties: {
+          after: flatAction.flatEntity,
+        },
+      };
+
+      const fieldEvents: MetadataEvent[] = flatAction.flatFieldMetadatas.map(
+        (flatFieldMetadata): CreateMetadataEvent<'fieldMetadata'> => ({
+          type: 'create',
+          metadataName: 'fieldMetadata',
+          properties: {
+            after: flatFieldMetadata,
+          },
+        }),
+      );
+
+      return [objectEvent, ...fieldEvents];
+    }
+    case 'view':
+    case 'viewField':
+    case 'viewGroup':
+    case 'rowLevelPermissionPredicate':
+    case 'rowLevelPermissionPredicateGroup':
+    case 'viewFilterGroup':
+    case 'index':
+    case 'logicFunction':
+    case 'viewFilter':
+    case 'role':
+    case 'roleTarget':
+    case 'agent':
+    case 'skill':
+    case 'pageLayout':
+    case 'pageLayoutWidget':
+    case 'pageLayoutTab':
+    case 'commandMenuItem':
+    case 'frontComponent':
+    case 'navigationMenuItem':
+    case 'webhook': {
+      return [
+        {
+          type: 'create',
+          metadataName: flatAction.metadataName,
+          properties: {
+            after: flatAction.flatEntity,
+          },
+        },
+      ];
+    }
+    default: {
+      assertUnreachable(flatAction);
+    }
+  }
+};
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-delete-action.util.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-delete-action.util.ts
new file mode 100644
index 0000000000..7aa4e9c7b4
--- /dev/null
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-delete-action.util.ts
@@ -0,0 +1,66 @@
+import { assertUnreachable } from 'twenty-shared/utils';
+
+import { type AllFlatEntityMaps } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-maps.type';
+import { type MetadataFlatEntity } from 'src/engine/metadata-modules/flat-entity/types/metadata-flat-entity.type';
+import { findFlatEntityByIdInFlatEntityMapsOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/find-flat-entity-by-id-in-flat-entity-maps-or-throw.util';
+import { getMetadataFlatEntityMapsKey } from 'src/engine/metadata-modules/flat-entity/utils/get-metadata-flat-entity-maps-key.util';
+import { type AllFlatWorkspaceMigrationAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common';
+import { type MetadataEvent } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/metadata-event';
+
+export type DeriveMetadataEventsFromDeleteActionArgs = {
+  flatAction: AllFlatWorkspaceMigrationAction<'delete'>;
+  allFlatEntityMaps: AllFlatEntityMaps;
+};
+
+export const deriveMetadataEventsFromDeleteAction = ({
+  flatAction,
+  allFlatEntityMaps,
+}: DeriveMetadataEventsFromDeleteActionArgs): MetadataEvent[] => {
+  switch (flatAction.metadataName) {
+    case 'fieldMetadata':
+    case 'objectMetadata':
+    case 'view':
+    case 'viewField':
+    case 'viewGroup':
+    case 'rowLevelPermissionPredicate':
+    case 'rowLevelPermissionPredicateGroup':
+    case 'viewFilterGroup':
+    case 'index':
+    case 'logicFunction':
+    case 'viewFilter':
+    case 'role':
+    case 'roleTarget':
+    case 'agent':
+    case 'skill':
+    case 'pageLayout':
+    case 'pageLayoutWidget':
+    case 'pageLayoutTab':
+    case 'commandMenuItem':
+    case 'frontComponent':
+    case 'navigationMenuItem':
+    case 'webhook': {
+      const flatEntityToDelete = findFlatEntityByIdInFlatEntityMapsOrThrow<
+        MetadataFlatEntity<typeof flatAction.metadataName>
+      >({
+        flatEntityId: flatAction.entityId,
+        flatEntityMaps:
+          allFlatEntityMaps[
+            getMetadataFlatEntityMapsKey(flatAction.metadataName)
+          ],
+      });
+
+      return [
+        {
+          type: 'delete',
+          metadataName: flatAction.metadataName,
+          properties: {
+            before: flatEntityToDelete,
+          },
+        },
+      ];
+    }
+    default: {
+      assertUnreachable(flatAction);
+    }
+  }
+};
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-update-action.util.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-update-action.util.ts
new file mode 100644
index 0000000000..be5072c559
--- /dev/null
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/derive-metadata-events-from-update-action.util.ts
@@ -0,0 +1,143 @@
+import { type AllMetadataName } from 'twenty-shared/metadata';
+import { assertUnreachable } from 'twenty-shared/utils';
+
+import { type AllFlatEntityMaps } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-maps.type';
+import { type MetadataFlatEntity } from 'src/engine/metadata-modules/flat-entity/types/metadata-flat-entity.type';
+import { findFlatEntityByIdInFlatEntityMapsOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/find-flat-entity-by-id-in-flat-entity-maps-or-throw.util';
+import { getMetadataFlatEntityMapsKey } from 'src/engine/metadata-modules/flat-entity/utils/get-metadata-flat-entity-maps-key.util';
+import { type MetadataUniversalFlatEntityPropertiesToCompare } from 'src/engine/workspace-manager/workspace-migration/universal-flat-entity/types/metadata-universal-flat-entity-properties-to-compare.type';
+import { type AllFlatWorkspaceMigrationAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common';
+import {
+  type UpdateMetadataEventDiff,
+  type CreateMetadataEvent,
+  type DeleteMetadataEvent,
+  type MetadataEvent,
+  type UpdateMetadataEvent,
+} from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/types/metadata-event';
+
+export type DeriveMetadataEventsFromUpdateActionArgs = {
+  flatAction: AllFlatWorkspaceMigrationAction<'update'>;
+  allFlatEntityMaps: AllFlatEntityMaps;
+};
+
+const buildUpdateMetadataEvent = <TMetadataName extends AllMetadataName>({
+  metadataName,
+  before,
+  after,
+  updatedFields,
+}: {
+  metadataName: TMetadataName;
+  before: MetadataFlatEntity<TMetadataName>;
+  after: MetadataFlatEntity<TMetadataName>;
+  updatedFields: MetadataUniversalFlatEntityPropertiesToCompare<TMetadataName>[];
+}): UpdateMetadataEvent<TMetadataName> => {
+  const diff = Object.fromEntries(
+    updatedFields.map((field) => [
+      field,
+      {
+        before: before[field],
+        after: after[field],
+      },
+    ]),
+  ) as UpdateMetadataEventDiff<TMetadataName, (typeof updatedFields)[number]>;
+
+  return {
+    type: 'update',
+    metadataName,
+    properties: {
+      updatedFields,
+      diff,
+      before,
+      after,
+    },
+  };
+};
+
+export const deriveMetadataEventsFromUpdateAction = ({
+  flatAction,
+  allFlatEntityMaps,
+}: DeriveMetadataEventsFromUpdateActionArgs): MetadataEvent[] => {
+  switch (flatAction.metadataName) {
+    case 'index': {
+      const fromFlatEntity = findFlatEntityByIdInFlatEntityMapsOrThrow({
+        flatEntityId: flatAction.entityId,
+        flatEntityMaps: allFlatEntityMaps['flatIndexMaps'],
+      });
+
+      const toFlatEntity = flatAction.updatedFlatIndex;
+
+      const deleteIndexMetadataEvent: DeleteMetadataEvent<'index'> = {
+        metadataName: 'index',
+        properties: {
+          before: fromFlatEntity,
+        },
+        type: 'delete',
+      };
+
+      const createIndexMetadataEvent: CreateMetadataEvent<'index'> = {
+        metadataName: 'index',
+        properties: {
+          after: toFlatEntity,
+        },
+        type: 'create',
+      };
+
+      return [deleteIndexMetadataEvent, createIndexMetadataEvent];
+    }
+    case 'fieldMetadata':
+    case 'objectMetadata':
+    case 'view':
+    case 'viewField':
+    case 'viewGroup':
+    case 'rowLevelPermissionPredicate':
+    case 'rowLevelPermissionPredicateGroup':
+    case 'viewFilterGroup':
+    case 'logicFunction':
+    case 'viewFilter':
+    case 'role':
+    case 'roleTarget':
+    case 'agent':
+    case 'skill':
+    case 'pageLayout':
+    case 'pageLayoutWidget':
+    case 'pageLayoutTab':
+    case 'commandMenuItem':
+    case 'frontComponent':
+    case 'navigationMenuItem':
+    case 'webhook': {
+      const flatEntityMapsKey = getMetadataFlatEntityMapsKey(
+        flatAction.metadataName,
+      );
+
+      const fromFlatEntity = findFlatEntityByIdInFlatEntityMapsOrThrow<
+        MetadataFlatEntity<typeof flatAction.metadataName>
+      >({
+        flatEntityId: flatAction.entityId,
+        flatEntityMaps: allFlatEntityMaps[flatEntityMapsKey],
+      });
+
+      const toFlatEntity = {
+        ...fromFlatEntity,
+        ...flatAction.update,
+      } as MetadataFlatEntity<typeof flatAction.metadataName>;
+
+      const updatedFields = Object.keys(
+        flatAction.update,
+      ) as MetadataUniversalFlatEntityPropertiesToCompare<
+        typeof flatAction.metadataName
+      >[];
+
+      return [
+        buildUpdateMetadataEvent({
+          metadataName: flatAction.metadataName,
+          before: fromFlatEntity,
+          after: toFlatEntity,
+          updatedFields,
+        }),
+      ];
+    }
+    default: {
+      assertUnreachable(flatAction);
+    }
+  }
+};
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-create-action-on-all-flat-entity-maps.util.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-create-action-on-all-flat-entity-maps.util.ts
index 3bfd37c9b0..0de6190717 100644
--- a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-create-action-on-all-flat-entity-maps.util.ts
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-create-action-on-all-flat-entity-maps.util.ts
@@ -1,26 +1,18 @@
-import { type AllMetadataName } from 'twenty-shared/metadata';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { type AllFlatEntityMaps } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-maps.type';
-import { type AllFlatEntityTypesByMetadataName } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-types-by-metadata-name';
 import { addFlatEntityToFlatEntityAndRelatedEntityMapsThroughMutationOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/add-flat-entity-to-flat-entity-and-related-entity-maps-through-mutation-or-throw.util';
+import { type AllFlatWorkspaceMigrationAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common';
 
-type FlatCreateAction<TMetadataName extends AllMetadataName> =
-  AllFlatEntityTypesByMetadataName[TMetadataName]['flatActions']['create'];
-
-export type OptimisticallyApplyCreateActionOnAllFlatEntityMapsArgs<
-  TMetadataName extends AllMetadataName,
-> = {
-  flatAction: FlatCreateAction<TMetadataName>;
+export type OptimisticallyApplyCreateActionOnAllFlatEntityMapsArgs = {
+  flatAction: AllFlatWorkspaceMigrationAction<'create'>;
   allFlatEntityMaps: AllFlatEntityMaps;
 };
 
-export const optimisticallyApplyCreateActionOnAllFlatEntityMaps = <
-  TMetadataName extends AllMetadataName,
->({
+export const optimisticallyApplyCreateActionOnAllFlatEntityMaps = ({
   flatAction,
   allFlatEntityMaps,
-}: OptimisticallyApplyCreateActionOnAllFlatEntityMapsArgs<TMetadataName>): AllFlatEntityMaps => {
+}: OptimisticallyApplyCreateActionOnAllFlatEntityMapsArgs): AllFlatEntityMaps => {
   switch (flatAction.metadataName) {
     case 'fieldMetadata': {
       flatAction.flatFieldMetadatas.forEach((flatEntity) =>
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-delete-action-on-all-flat-entity-maps.util.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-delete-action-on-all-flat-entity-maps.util.ts
index dfe86aef5c..14749b889e 100644
--- a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-delete-action-on-all-flat-entity-maps.util.ts
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-delete-action-on-all-flat-entity-maps.util.ts
@@ -1,29 +1,21 @@
-import { type AllMetadataName } from 'twenty-shared/metadata';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { type AllFlatEntityMaps } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-maps.type';
-import { type AllFlatEntityTypesByMetadataName } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-types-by-metadata-name';
 import { type MetadataFlatEntity } from 'src/engine/metadata-modules/flat-entity/types/metadata-flat-entity.type';
 import { deleteFlatEntityFromFlatEntityAndRelatedEntityMapsThroughMutationOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/delete-flat-entity-from-flat-entity-and-related-entity-maps-through-mutation-or-throw.util';
 import { findFlatEntityByIdInFlatEntityMapsOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/find-flat-entity-by-id-in-flat-entity-maps-or-throw.util';
 import { getMetadataFlatEntityMapsKey } from 'src/engine/metadata-modules/flat-entity/utils/get-metadata-flat-entity-maps-key.util';
+import { type AllFlatWorkspaceMigrationAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common';
 
-type FlatDeleteAction<TMetadataName extends AllMetadataName> =
-  AllFlatEntityTypesByMetadataName[TMetadataName]['flatActions']['delete'];
-
-export type OptimisticallyApplyDeleteActionOnAllFlatEntityMapsArgs<
-  TMetadataName extends AllMetadataName,
-> = {
-  flatAction: FlatDeleteAction<TMetadataName>;
+export type OptimisticallyApplyDeleteActionOnAllFlatEntityMapsArgs = {
+  flatAction: AllFlatWorkspaceMigrationAction<'delete'>;
   allFlatEntityMaps: AllFlatEntityMaps;
 };
 
-export const optimisticallyApplyDeleteActionOnAllFlatEntityMaps = <
-  TMetadataName extends AllMetadataName,
->({
+export const optimisticallyApplyDeleteActionOnAllFlatEntityMaps = ({
   flatAction,
   allFlatEntityMaps,
-}: OptimisticallyApplyDeleteActionOnAllFlatEntityMapsArgs<TMetadataName>): AllFlatEntityMaps => {
+}: OptimisticallyApplyDeleteActionOnAllFlatEntityMapsArgs): AllFlatEntityMaps => {
   switch (flatAction.metadataName) {
     case 'fieldMetadata':
     case 'objectMetadata':
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-update-action-on-all-flat-entity-maps.util.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-update-action-on-all-flat-entity-maps.util.ts
index d5086b46cd..606761bd71 100644
--- a/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-update-action-on-all-flat-entity-maps.util.ts
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/utils/optimistically-apply-update-action-on-all-flat-entity-maps.util.ts
@@ -1,31 +1,23 @@
-import { type AllMetadataName } from 'twenty-shared/metadata';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { type AllFlatEntityMaps } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-maps.type';
-import { type AllFlatEntityTypesByMetadataName } from 'src/engine/metadata-modules/flat-entity/types/all-flat-entity-types-by-metadata-name';
 import { type MetadataFlatEntity } from 'src/engine/metadata-modules/flat-entity/types/metadata-flat-entity.type';
 import { addFlatEntityToFlatEntityAndRelatedEntityMapsThroughMutationOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/add-flat-entity-to-flat-entity-and-related-entity-maps-through-mutation-or-throw.util';
 import { deleteFlatEntityFromFlatEntityAndRelatedEntityMapsThroughMutationOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/delete-flat-entity-from-flat-entity-and-related-entity-maps-through-mutation-or-throw.util';
 import { findFlatEntityByIdInFlatEntityMapsOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/find-flat-entity-by-id-in-flat-entity-maps-or-throw.util';
 import { getMetadataFlatEntityMapsKey } from 'src/engine/metadata-modules/flat-entity/utils/get-metadata-flat-entity-maps-key.util';
+import { type AllFlatWorkspaceMigrationAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-builder/types/workspace-migration-action-common';
 import { replaceFlatEntityInFlatEntityMapsThroughMutationOrThrow } from 'src/engine/workspace-manager/workspace-migration/utils/replace-flat-entity-in-flat-entity-maps-through-mutation-or-throw.util';
 
-type FlatUpdateAction<TMetadataName extends AllMetadataName> =
-  AllFlatEntityTypesByMetadataName[TMetadataName]['flatActions']['update'];
-
-export type OptimisticallyApplyUpdateActionOnAllFlatEntityMapsArgs<
-  TMetadataName extends AllMetadataName,
-> = {
-  flatAction: FlatUpdateAction<TMetadataName>;
+export type OptimisticallyApplyUpdateActionOnAllFlatEntityMapsArgs = {
+  flatAction: AllFlatWorkspaceMigrationAction<'update'>;
   allFlatEntityMaps: AllFlatEntityMaps;
 };
 
-export const optimisticallyApplyUpdateActionOnAllFlatEntityMaps = <
-  TMetadataName extends AllMetadataName,
->({
+export const optimisticallyApplyUpdateActionOnAllFlatEntityMaps = ({
   flatAction,
   allFlatEntityMaps,
-}: OptimisticallyApplyUpdateActionOnAllFlatEntityMapsArgs<TMetadataName>): AllFlatEntityMaps => {
+}: OptimisticallyApplyUpdateActionOnAllFlatEntityMapsArgs): AllFlatEntityMaps => {
   switch (flatAction.metadataName) {
     case 'index': {
       const flatIndex = findFlatEntityByIdInFlatEntityMapsOrThrow({