From 92523cf1864bcdcdd12e8d308a76738fcfa6daa1 Mon Sep 17 00:00:00 2001
From: Marco Giacalone <mgiacalo@gmail.com>
Date: Wed, 19 Nov 2025 16:10:00 +0100
Subject: [PATCH] Generalize IR setting

---
 Steer/src/CollisionContextTool.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Steer/src/CollisionContextTool.cxx b/Steer/src/CollisionContextTool.cxx
index 6a2fca20afe76..5287e1ef32799 100644
--- a/Steer/src/CollisionContextTool.cxx
+++ b/Steer/src/CollisionContextTool.cxx
@@ -556,8 +556,10 @@ int main(int argc, char* argv[])
   float sgnIRate = -1.;
   for (auto& p : ispecs) {
     prefixes.push_back(p.name);
-    if (p.name == "sgn") {
-      // Setting interaction rate in the digitizer context as provided by the O2DPG workflow
+    // Set the interaction rate from the first pattern with a valid value.
+    // This handles both simple signal-only productions (where "sgn" has the rate)
+    // and embedding productions (where "bkg" has the rate and "sgn" syncs to it)
+    if (sgnIRate < 0 && p.interactionRate > 0) {
       LOG(debug) << "Setting signal interaction rate to " << p.interactionRate << " Hz in the digitization context.";
       sgnIRate = p.interactionRate;
       digicontext.setDigitizerInteractionRate(p.interactionRate);