diff --git a/src/generators/clean-arch.generator.ts b/src/generators/clean-arch.generator.ts
index d9b0203..710bb7a 100644
--- a/src/generators/clean-arch.generator.ts
+++ b/src/generators/clean-arch.generator.ts
@@ -175,6 +175,8 @@ export function generateCleanArchitecture(
           bodyParam: 'body',
           returnType: returnType !== 'void' ? returnType : false,
           returnBaseType: returnBaseType !== 'void' ? returnBaseType : false,
+          returnTypeVarName: returnType !== 'void' ? toCamelCase(returnType) : false,
+          returnBaseTypeVarName: returnBaseType !== 'void' ? toCamelCase(returnBaseType) : false,
           isListContainer: isListContainer,
           vendorExtensions: {}
         });
diff --git a/src/types/openapi.types.ts b/src/types/openapi.types.ts
index 9b59ce6..2759cd1 100644
--- a/src/types/openapi.types.ts
+++ b/src/types/openapi.types.ts
@@ -78,6 +78,8 @@ export interface TagOperation {
   bodyParam: string;
   returnType: string | boolean;
   returnBaseType: string | boolean;
+  returnTypeVarName: string | boolean;
+  returnBaseTypeVarName: string | boolean;
   isListContainer: boolean;
   vendorExtensions: Record<string, unknown>;
 }