diff --git a/rpe/engines/opa.py b/rpe/engines/opa.py
index 631fd6c..38a324f 100644
--- a/rpe/engines/opa.py
+++ b/rpe/engines/opa.py
@@ -57,14 +57,16 @@ def _opa_request(self, path, method='GET', data=None):
 
     # Perform an evaluation on a given resource
     def evaluate(self, resource):
+        resource_data = resource.get()
+
         input = {
-            'input': resource.get(),
+            'input': resource_data,
         }
 
         evals = self._opa_request('rpe/evaluate', method='POST', data=input)
 
         return [
-            Evaluation(engine=self, resource=resource, **ev)
+            Evaluation(engine=self, resource=resource, evaluation_artifact=resource_data, **ev)
             for ev in evals
         ]
 
diff --git a/rpe/policy.py b/rpe/policy.py
index b0ca1e1..cdd175e 100644
--- a/rpe/policy.py
+++ b/rpe/policy.py
@@ -1,4 +1,4 @@
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import List
 
 from rpe.engines import Engine
@@ -20,6 +20,7 @@ class Evaluation:
     compliant: bool
     excluded: bool
     remediable: bool
+    evaluation_artifact: dict = field(default_factory=dict)  # Data used during evaluation
 
     def remediate(self):
         return self.engine.remediate(self.resource, self.policy_id)