From d904b99cc969c977f911d36cfeb2279544c528e5 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Tue, 23 Jan 2024 14:54:30 +0100
Subject: Defing PipelineStepObject and PipelineStepMethod to assess time
 execution. Removing exception managment to let the user catch them into the
 script.

---
 .../configuration_and_execution.md                      | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md')

diff --git a/docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md b/docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md
index 0edbef3..c53cfda 100644
--- a/docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md
+++ b/docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md
@@ -94,14 +94,25 @@ In the example file, the choosen analysis algorithms are the [Basic](../../argaz
 
 ## Pipeline execution
 
-Timestamped gaze positions have to be passed one by one to [ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method to execute the whole instantiated pipeline.
+Timestamped gaze positions have to be passed one by one to [ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method to execute the whole instantiated pipeline. 
+
+!!! warning "Mandatory"
+
+	[ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method must be called from a *try* block to catch pipeline exceptions.
 
 ```python
 # Assuming that timestamped gaze positions are available
 ...
 
-    # Look ArFrame at a timestamped gaze position
-    ar_frame.look(timestamp, gaze_position)
+    try:
+
+    	# Look ArFrame at a timestamped gaze position
+    	ar_frame.look(timestamp, gaze_position)
+
+    # Do something with pipeline exception
+    except Exception as e:
+        
+        ...
 ```
 !!! note ""
 
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