diff --git a/src/model/models.rs b/src/model/models.rs
index f1fb011..ad4708f 100644
--- a/src/model/models.rs
+++ b/src/model/models.rs
@@ -19,7 +19,14 @@ pub struct EventHandler<F, C> {
     pub(crate) callback: F,
 }
 
-pub type SchemeCharacteristics = (f64, f64, f64, f64, f64, f64);
+#[derive(Default, Copy, Clone)]
+pub struct SignalReduce(pub f64, pub f64, pub f64, pub f64, pub f64, pub f64);
+
+impl SignalReduce {
+    pub fn new() -> Self {
+        Self(0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
+    }
+}
 
 #[derive(Properties, Default)]
 #[properties(wrapper_type = super::ResultValue)]