diff --git a/src/handlers/BaseHandlerResult.ts b/src/handlers/BaseHandlerResult.ts
new file mode 100644
index 0000000..13902fa
--- /dev/null
+++ b/src/handlers/BaseHandlerResult.ts
@@ -0,0 +1,3 @@
+export interface BaseHandlerResult {
+    message: string
+}
diff --git a/src/handlers/users/ProjectHandler.ts b/src/handlers/users/ProjectHandler.ts
index 80a0c73..7111b11 100644
--- a/src/handlers/users/ProjectHandler.ts
+++ b/src/handlers/users/ProjectHandler.ts
@@ -1,7 +1,8 @@
 import { v4 as uuid } from 'uuid'
-import DataStore from '../../../datastore/DataStore'
-import { ProjectDefinition } from '../../../models/ProjectDefinition'
-import Logger from '../../../utils/Logger'
+import DataStore from '../../datastore/DataStore'
+import { ProjectDefinition } from '../../models/ProjectDefinition'
+import Logger from '../../utils/Logger'
+import { BaseHandlerResult } from '../BaseHandlerResult'
 
 export interface RegisterProjectParams {
     name: string
@@ -9,12 +10,8 @@ export interface RegisterProjectParams {
     description: string
 }
 
-export interface BaseHandlerResult {
-    message: string
-}
-
 export interface RegisterProjectResult extends BaseHandlerResult {
-    data?: ProjectDefinition
+    data: ProjectDefinition
 }
 
 export async function registerProject(
diff --git a/src/handlers/users/apps/appdefinition/AppDefinitionHandler.ts b/src/handlers/users/apps/appdefinition/AppDefinitionHandler.ts
index e18c4d1..263b0cb 100644
--- a/src/handlers/users/apps/appdefinition/AppDefinitionHandler.ts
+++ b/src/handlers/users/apps/appdefinition/AppDefinitionHandler.ts
@@ -4,6 +4,8 @@ import ServiceManager from '../../../../user/ServiceManager'
 import CaptainConstants from '../../../../utils/CaptainConstants'
 import Logger from '../../../../utils/Logger'
 
+import { BaseHandlerResult } from '../../../BaseHandlerResult'
+
 export interface RegisterAppDefinitionParams {
     appName: string
     projectId: string
@@ -11,10 +13,6 @@ export interface RegisterAppDefinitionParams {
     isDetachedBuild: boolean
 }
 
-export interface BaseHandlerResult {
-    message: string
-}
-
 export async function registerAppDefinition(
     params: RegisterAppDefinitionParams,
     dataStore: DataStore,