diff --git a/test_rig.py b/test_rig.py
index 12aaf29f9..73663e6d8 100644
--- a/test_rig.py
+++ b/test_rig.py
@@ -42,14 +42,15 @@ def test_memory():
     ctx = framework.Context(nativelst)
     ctx.symbol_space.append(ntkrnlmp)
 
-    base = layers.physical.BufferDataLayer(ctx, 'data', buffer = b"\x04\x00\x00\x00\x01\x02\x03\x04\x02\x00")
+    base = layers.physical.FileLayer(ctx, 'data', filename = 'trig_data.bin')
     ctx.memory.add_layer(base)
     val = ctx.object('ntkrnlmp!TEST_POINTER', 'data', 0)
     print(hex(val.point1.test1), val.point1.test2)
 
 # TODO:
 #
-# Plugins - Tree/List input/output
+# Config system
+# Plugins - Dataout Tree/List input/output
 # Architectures
 # Scanning Framework
 # GUI/UI
diff --git a/trig_data.bin b/trig_data.bin
new file mode 100644
index 000000000..4eaf2bb55
Binary files /dev/null and b/trig_data.bin differ
diff --git a/volatility/framework/interfaces/symbols.py b/volatility/framework/interfaces/symbols.py
index 93d779e1e..eee21a3ef 100644
--- a/volatility/framework/interfaces/symbols.py
+++ b/volatility/framework/interfaces/symbols.py
@@ -13,6 +13,8 @@ class SymbolTableInterface(validity.ValidityRoutines):
         self.name = self.type_check(name or None, str)
         self._native_symbols = self.type_check(native_symbols, NativeTableInterface)
 
+    #TODO: Add in support for constants
+
     ### Required Symbol List functions
 
     def resolve(self, symbol):