diff --git a/ponsim/v2/core/ponsim_api_type.go b/ponsim/v2/core/ponsim_api_type.go
new file mode 100644
index 0000000..f178c9b
--- /dev/null
+++ b/ponsim/v2/core/ponsim_api_type.go
@@ -0,0 +1,17 @@
+package core
+
+type PonSimApiType uint8
+
+const (
+	PONSIM PonSimApiType = iota
+	BAL
+)
+
+var enum_ponsim_api_types = []string{
+	"PONSIM",
+	"BAL",
+}
+
+func (t PonSimApiType) String() string {
+	return enum_ponsim_api_types[t]
+}