1 files changed, 13 insertions, 0 deletions
diff --git a/frontend/lib/models/step_request_body.dart b/frontend/lib/models/step_request_body.dart
new file mode 100644
index 000000000..23e7521fc
--- /dev/null
+++ b/frontend/lib/models/step_request_body.dart
@@ -0,0 +1,13 @@
+class StepRequestBody {
+  final String? input;
+  final Map<String, dynamic>? additionalInput;
+
+  StepRequestBody({required this.input, this.additionalInput});
+
+  Map<String, dynamic> toJson() {
+    if (input == null && additionalInput == null) {
+      return {};
+    }
+    return {'input': input, 'additional_input': additionalInput};
+  }
+}