diff --git a/script/soft_tr_measure_go.py b/script/soft_tr_measure_go.py
new file mode 100644
index 0000000..783f14f
--- /dev/null
+++ b/script/soft_tr_measure_go.py
@@ -0,0 +1,20 @@
+################################################################################################### 
+# Demonstrate use of scan callbacks to trigger a detector at falling edge.
+################################################################################################### 
+
+
+def BeforeReadout(position, scan):
+    ao1.write(1)
+    ao1.write(0)
+    cawait(ai1, "1")
+    print "In position: " + str(position[0]) + ", " + str(position[1])
+    
+    #Example with an epics direct channel access
+    #caput("CHANNEL_NAME", 1)
+    #caput("CHANNEL_NAME", 0)    
+
+
+def AfterReadout(record, scan):
+    print "Aquired frame: " + str(record.index)
+
+a= lscan((m1,m2), (ai1, ai2), (0,0), (4,8), steps=20, latency = 0.01, before_read=BeforeReadout, after_read=AfterReadout) #it is not possible to make mscan likethis
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