fix field defs for both CreateStorageData object and CreateStorageDataAttributes object (#43890)

types/forge-apis/forge-apis-tests.ts

@@ -286,8 +286,27 @@ projectsApi.getProject('', '', authClientTwoLegged, authToken);
 projectsApi.getProjectHub('', '', authClientTwoLegged, authToken);
 // $ExpectType Promise<ApiResponse>
 projectsApi.getProjectTopFolders('', '', authClientTwoLegged, authToken);
+
 // $ExpectType Promise<ApiResponse>
-projectsApi.postStorage('', {}, authClientTwoLegged, authToken);
+projectsApi.postStorage('', {
+    jsonapi: {
+       version: '1.0'
+    },
+    data: {
+       type: 'objects',
+       attributes: {
+          name: '{{Filename}}'
+       },
+       relationships: {
+          target: {
+             data: {
+                type: 'folders',
+                id: '{{FolderId}}'
+             }
+          }
+       }
+    }
+ }, authClientTwoLegged, authToken);
 
 // $ExpectType UserProfileApi
 const userProfileApi = new UserProfileApi();

types/forge-apis/index.d.ts

@@ -723,7 +723,7 @@ export class HubsApi {
 
 export interface CreateStorageDataAttributes {
     name: string;
-    extension: BaseAttributesExtensionObject;
+    extension?: BaseAttributesExtensionObject;
 }
 
 export interface CreateItemDataRelationshipsTipData {
@@ -1047,6 +1047,7 @@ export interface CreateStorageDataRelationships {
 }
 
 export interface CreateStorageData {
+    type: string;
     attributes?: CreateStorageDataAttributes;
     relationships?: CreateStorageDataRelationships;
 }