diff --git a/ModemConfig/sysprop/api/SomcModemProperties-current.txt b/ModemConfig/sysprop/api/SomcModemProperties-current.txt
index e69de29..33658e2 100644
--- a/ModemConfig/sysprop/api/SomcModemProperties-current.txt
+++ b/ModemConfig/sysprop/api/SomcModemProperties-current.txt
@@ -0,0 +1,18 @@
+props {
+  owner: Vendor
+  module: "com.sony.opentelephony.modemconfig.SomcModemProperties"
+  prop {
+    api_name: "cust_modem_0"
+    type: String
+    access: ReadWrite
+    scope: Internal
+    prop_name: "vendor.somc.cust.modem0"
+  }
+  prop {
+    api_name: "cust_modem_1"
+    type: String
+    access: ReadWrite
+    scope: Internal
+    prop_name: "vendor.somc.cust.modem1"
+  }
+}