diff --git a/README.md b/README.md
index debd045..299d147 100644
--- a/README.md
+++ b/README.md
@@ -176,6 +176,7 @@ Evaluations include flag metadata for the LaunchDarkly specific parts of the eva
 |---------------------|---------|--------------------------------------------------------------------|
 | `variationIndex`    | integer | The index of the returned variation. Absent for default values.    |
 | `inExperiment`      | boolean | Present, and `true`, when the evaluation was part of an experiment. |
+| `overrideAffected`  | boolean | Present, and `true`, when a flag override affected the evaluation. Requires a LaunchDarkly Ruby SDK version with flag overrides. |
 | `ruleIndex`         | integer | The index of the rule that matched.                                |
 | `ruleId`            | string  | The identifier of the rule that matched.                           |
 | `prerequisiteKey`   | string  | The key of the prerequisite flag that failed.                       |
diff --git a/lib/ldclient-openfeature/impl/details_converter.rb b/lib/ldclient-openfeature/impl/details_converter.rb
index 353020b..1c507df 100644
--- a/lib/ldclient-openfeature/impl/details_converter.rb
+++ b/lib/ldclient-openfeature/impl/details_converter.rb
@@ -9,13 +9,14 @@ module Impl
       class ResolutionDetailsConverter
         VARIATION_INDEX_KEY = 'variationIndex'
         IN_EXPERIMENT_KEY = 'inExperiment'
+        OVERRIDE_AFFECTED_KEY = 'overrideAffected'
         RULE_INDEX_KEY = 'ruleIndex'
         RULE_ID_KEY = 'ruleId'
         PREREQUISITE_KEY_KEY = 'prerequisiteKey'
         BIG_SEGMENTS_STATUS_KEY = 'bigSegmentsStatus'
 
-        private_constant :VARIATION_INDEX_KEY, :IN_EXPERIMENT_KEY, :RULE_INDEX_KEY, :RULE_ID_KEY,
-          :PREREQUISITE_KEY_KEY, :BIG_SEGMENTS_STATUS_KEY
+        private_constant :VARIATION_INDEX_KEY, :IN_EXPERIMENT_KEY, :OVERRIDE_AFFECTED_KEY, :RULE_INDEX_KEY,
+          :RULE_ID_KEY, :PREREQUISITE_KEY_KEY, :BIG_SEGMENTS_STATUS_KEY
 
         #
         # @param detail [LaunchDarkly::EvaluationDetail]
@@ -61,6 +62,8 @@ def to_resolution_details(detail)
 
           metadata[VARIATION_INDEX_KEY] = variation_index unless variation_index.nil?
           metadata[IN_EXPERIMENT_KEY] = true if reason.in_experiment
+          # Only LaunchDarkly Ruby SDK versions with flag overrides define override_affected.
+          metadata[OVERRIDE_AFFECTED_KEY] = true if reason.respond_to?(:override_affected) && reason.override_affected
           metadata[RULE_INDEX_KEY] = reason.rule_index unless reason.rule_index.nil?
           metadata[RULE_ID_KEY] = reason.rule_id unless reason.rule_id.nil?
           metadata[PREREQUISITE_KEY_KEY] = reason.prerequisite_key unless reason.prerequisite_key.nil?
diff --git a/spec/impl/details_converter_spec.rb b/spec/impl/details_converter_spec.rb
index c4914f8..cdd5930 100644
--- a/spec/impl/details_converter_spec.rb
+++ b/spec/impl/details_converter_spec.rb
@@ -63,6 +63,31 @@
     expect(resolution_details.flag_metadata).not_to have_key('inExperiment')
   end
 
+  it "includes override affected in the flag metadata for override-affected evaluations" do
+    reason = LaunchDarkly::EvaluationReason::rule_match(2, 'the-rule-id', false)
+    allow(reason).to receive(:override_affected).and_return(true)
+    detail = LaunchDarkly::EvaluationDetail.new(true, 1, reason)
+    resolution_details = details_converter.to_resolution_details(detail)
+
+    expect(resolution_details.flag_metadata).to include('overrideAffected' => true)
+  end
+
+  it "omits override affected from the flag metadata for evaluations not affected by an override" do
+    reason = LaunchDarkly::EvaluationReason::rule_match(2, 'the-rule-id', false)
+    allow(reason).to receive(:override_affected).and_return(false)
+    detail = LaunchDarkly::EvaluationDetail.new(true, 1, reason)
+    resolution_details = details_converter.to_resolution_details(detail)
+
+    expect(resolution_details.flag_metadata).not_to have_key('overrideAffected')
+  end
+
+  it "omits override affected from the flag metadata when the LaunchDarkly SDK does not support overrides" do
+    detail = LaunchDarkly::EvaluationDetail.new(true, 1, LaunchDarkly::EvaluationReason::fallthrough(false))
+    resolution_details = details_converter.to_resolution_details(detail)
+
+    expect(resolution_details.flag_metadata).not_to have_key('overrideAffected')
+  end
+
   it "includes the rule in the flag metadata for rule matches" do
     detail = LaunchDarkly::EvaluationDetail.new(true, 1, LaunchDarkly::EvaluationReason::rule_match(2, 'the-rule-id', false))
     resolution_details = details_converter.to_resolution_details(detail)