diff --git a/pinaxcon/registrasion/models.py b/pinaxcon/registrasion/models.py
index a1aed0f92d0ced3df28b534cfe71c6b6536d1d19..77952fe122108d36235260de45b4e7a2b68a362a 100644
--- a/pinaxcon/registrasion/models.py
+++ b/pinaxcon/registrasion/models.py
@@ -1,6 +1,18 @@
 from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
 from registrasion import models as rego
 
+
+@python_2_unicode_compatible
+class DynamicValues(models.Model):
+
+    name = models.CharField(max_length=64)
+    value = models.IntegerField()
+
+    def __str__(self):
+        return "%s - %d" % (self.name, self.value)
+
+
 class AttendeeProfile(rego.AttendeeProfileBase):
 
     @classmethod
@@ -74,6 +86,9 @@ class AttendeeProfile(rego.AttendeeProfileBase):
         max_length=64,
         blank=True,
     )
+    db_defined_values = models.ManyToManyField(
+        DynamicValues
+    )
 
 
 class DemoPayment(rego.PaymentBase):