diff --git a/AlgebraicDataflowArchitectureModel/models/A.dtram b/AlgebraicDataflowArchitectureModel/models/A.dtram
new file mode 100644
index 0000000..fef5480
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/models/A.dtram
@@ -0,0 +1,15 @@
+model {
+	channel CIO{
+		out A(a:Int, setA(a2)) == a2;
+	}
+}
+geometry {
+node r A:180,90,80,30
+}
+
+services{
+	service A{
+		baseURL:"https://A/"
+		resources:A,B,C
+	}
+}
\ No newline at end of file