diff --git a/Demo_uPy_TypesPI/payload/payload.py b/Demo_uPy_TypesPI/payload/payload.py
index cebbbc6d0debfdfd49c6a1ea6a8e160ebbd5d78d..27b0a36686e5296f9709487f62794387994bdc2e 100644
--- a/Demo_uPy_TypesPI/payload/payload.py
+++ b/Demo_uPy_TypesPI/payload/payload.py
@@ -13,28 +13,28 @@ def payload_startup():
 def payload_PI_TC_Seq_NATIVE(IN_a: asn1SccMySeq, OUT_b: asn1SccMySeq):
     print('TC_Seq_NATIVE')
     print('    IN_a:', IN_a)
-    OUT_b.val.input_data = IN_a.input_data + 10
-    OUT_b.val.output_data = IN_a.output_data + 10
-    OUT_b.val.validity = 1 - IN_a.validity
+    OUT_b.all.input_data = IN_a.input_data + 10
+    OUT_b.all.output_data = IN_a.output_data + 10
+    OUT_b.all.validity = 1 - IN_a.validity
 
 def payload_PI_TC_Seq_UPER(IN_a: asn1SccMySeq, OUT_b: asn1SccMySeq):
     print('TC_Seq_UPER')
     print('    IN_a:', IN_a)
-    OUT_b.val.input_data = IN_a.input_data + 10
-    OUT_b.val.output_data = IN_a.output_data + 10
-    OUT_b.val.validity = 1 - IN_a.validity
+    OUT_b.all.input_data = IN_a.input_data + 10
+    OUT_b.all.output_data = IN_a.output_data + 10
+    OUT_b.all.validity = 1 - IN_a.validity
 
 def payload_PI_TC_OctStr_NATIVE(IN_a: asn1SccMyOctStr, OUT_b: asn1SccMyOctStr):
     print('TC_OctStr_NATIVE')
     print('    IN_a:', IN_a)
     for i in range(len(IN_a)):
-        OUT_b.val[i] = IN_a[i] + 1
+        OUT_b.all[i] = IN_a[i] + 1
 
 def payload_PI_TC_SeqOf_NATIVE(IN_a: asn1SccMySeqOf, OUT_b: asn1SccMySeqOf):
     print('TC_SeqOf_NATIVE')
     print('    IN_a:', IN_a)
     for i in range(len(IN_a)):
-        OUT_b.val[i] = IN_a[i] + 1
+        OUT_b.all[i] = IN_a[i] + 1
 
 def payload_PI_TC_Choice_NATIVE(IN_a: asn1SccMyChoice, OUT_b: asn1SccMyChoice):
     print('TC_Choice_NATIVE')
@@ -45,4 +45,4 @@ def payload_PI_TC_Choice_NATIVE(IN_a: asn1SccMyChoice, OUT_b: asn1SccMyChoice):
         IN_a.b.input_data += 10
         IN_a.b.output_data += 10
         IN_a.b.validity = 1 - IN_a.b.validity
-    OUT_b.val = IN_a
+    OUT_b.all = IN_a
diff --git a/Demo_uPy_TypesRI/gnd/gnd.py b/Demo_uPy_TypesRI/gnd/gnd.py
index 9f052e247ccdca91ff3274f15ba5a308abf2b7e3..303d56ee2927897f19a50c935a323d9871f3cd92 100644
--- a/Demo_uPy_TypesRI/gnd/gnd.py
+++ b/Demo_uPy_TypesRI/gnd/gnd.py
@@ -21,11 +21,11 @@ def gnd_startup():
     # note that without the heap some Python operations are not possible.
     global myOctStr1, myOctStr2, mySeq1, mySeq2, mySeqOf1, mySeqOf2
     myOctStr1 = asn1SccMyOctStr()
-    myOctStr2 = Ref(asn1SccMyOctStr())
+    myOctStr2 = Access(asn1SccMyOctStr())
     mySeq1 = asn1SccMySeq()
-    mySeq2 = Ref(asn1SccMySeq())
+    mySeq2 = Access(asn1SccMySeq())
     mySeqOf1 = asn1SccMySeqOf()
-    mySeqOf2 = Ref(asn1SccMySeqOf())
+    mySeqOf2 = Access(asn1SccMySeqOf())
     micropython.heap_lock()
 
 def gnd_PI_CYCLE():