diff --git a/update_manager/policy.h b/update_manager/policy.h
index 595fb7c..fb4a129 100644
--- a/update_manager/policy.h
+++ b/update_manager/policy.h
@@ -66,6 +66,9 @@
   std::string target_channel;
   // Specifies if the channel hint, e.g. LTS (Long Term Support) updates.
   std::string lts_tag;
+  // Specifies a token which maps to a Chrome OS Quick Fix Build, if imposed by
+  // policy; otherwise, an empty string.
+  std::string quick_fix_build_token;
 
   // Whether the allowed update is interactive (user-initiated) or periodic.
   bool interactive{false};