1 files changed, 6 insertions, 0 deletions
diff --git a/param.ccl b/param.ccl
index a009072..42ab1ba 100644
--- a/param.ccl
+++ b/param.ccl
@@ -16,3 +16,9 @@ EXTENDS KEYWORD initial_shift
 {
  "trumpet" :: "one maximal trumpet"
 }
+
+RESTRICTED:
+CCTK_REAL boost_velocity "Boost the trumpet with this velocity parameter in x-axis direction"
+{
+    (-1:1) :: ""
+} 0