diff --git a/nfc/1.0/vts/Nfc.vts b/nfc/1.0/vts/Nfc.vts
index 1f50698..c2313d5 100644
--- a/nfc/1.0/vts/Nfc.vts
+++ b/nfc/1.0/vts/Nfc.vts
@@ -19,6 +19,16 @@
             predefined_type: "INfcClientCallback"
             is_callback: true
         }
+        callflow: {
+            entry: true
+        }
+        callflow: {
+            next: "write"
+            next: "coreInitialized"
+            next: "prediscover"
+            next: "powerCycle"
+            next: "controlGranted"
+        }
     }
 
     api: {
@@ -34,6 +44,14 @@
                 scalar_type: "uint8_t"
             }
         }
+        callflow: {
+            next: "write"
+            next: "prediscover"
+            next: "coreInitialized"
+            next: "close"
+            next: "powerCycle"
+            next: "controlGranted"
+        }
     }
 
     api: {
@@ -49,6 +67,11 @@
                 scalar_type: "uint8_t"
             }
         }
+        callflow: {
+            next: "write"
+            next: "prediscover"
+            next: "close"
+        }
     }
 
     api: {
@@ -57,6 +80,13 @@
             type: TYPE_SCALAR
             scalar_type: "int32_t"
         }
+        callflow: {
+            next: "write"
+            next: "close"
+            next: "coreInitialized"
+            next: "powerCycle"
+            next: "controlGranted"
+        }
     }
 
     api: {
@@ -65,6 +95,9 @@
             type: TYPE_SCALAR
             scalar_type: "int32_t"
         }
+        callflow: {
+            exit: true
+        }
     }
 
     api: {
@@ -73,6 +106,13 @@
             type: TYPE_SCALAR
             scalar_type: "int32_t"
         }
+        callflow: {
+            next: "write"
+            next: "close"
+            next: "prediscover"
+            next: "coreInitialized"
+            next: "powerCycle"
+        }
     }
 
     api: {
@@ -81,6 +121,13 @@
             type: TYPE_SCALAR
             scalar_type: "int32_t"
         }
+        callflow: {
+            next: "write"
+            next: "coreInitialized"
+            next: "prediscover"
+            next: "controlGranted"
+            next: "close"
+        }
     }
 
 }