diff --git a/src/monitoring/AgentM.py b/src/monitoring/AgentM.py
index a61cc23..eca5ed7 100755
--- a/src/monitoring/AgentM.py
+++ b/src/monitoring/AgentM.py
@@ -9,6 +9,7 @@ import sys
 #from common.models import Command
 
 sys.path.append("..")
+sys.path.append("../..")
 from src.agent.Agent import Agent, extract_parameters
 
 # PM 20190416 recycle code
diff --git a/src/monitoring/doc/AgentM_sequence_diag.pu b/src/monitoring/doc/AgentM_sequence_diag.pu
new file mode 100644
index 0000000..61ad977
--- /dev/null
+++ b/src/monitoring/doc/AgentM_sequence_diag.pu
@@ -0,0 +1,83 @@
+
+@startuml
+
+' --- Agent ACTIVIY DIAGRAM (plantUML) ---
+
+' NEW syntax => http://plantuml.com/fr/activity-diagram-beta
+' OLD syntax => http://plantuml.com/fr/activity-diagram-legacy
+' (See also https://plantweb.readthedocs.io)
+' (See also https://pythonhosted.org/plantuml)
+
+' What is the current version of PlantUML (and Java) used ?
+' startuml
+' version
+' enduml
+
+' Exemple de skin utilisable (celui de ChemCam) :
+' skinparam activity {
+'    StartColor red
+'    EndColor Silver
+'    BackgroundColor Peru
+'    BackgroundColor<< Begin >> Olive
+'    BorderColor Peru
+'    FontName Impact
+' }
+
+
+title
+__**Agent.run() function : Activity Diagram**__
+
+end title
+
+
+start
+
+:DO_EXIT = False
+DO_RESTART = True;
+
+while (DO_RESTART ?) is (yes)
+    :load_config();
+    :init();
+    :DO_MAIN_LOOP = True;
+    while (DO_MAIN_LOOP ?) is (yes)
+        partition main_loop() {
+            :reload_config();
+            note right
+                only if changed
+            end note
+
+            :log_agent_status();
+            note right
+                Log this agent status in DB
+            end note
+
+            :routine_process();
+
+            :cmd = get_next_valid_command();
+            if (cmd ?) then
+                partition command_process(cmd) {            
+                    :cmd = general_process(cmd);
+                    if (cmd ?) then
+                        :specific_process(cmd);
+                    else (no)
+                    endif
+                    note right
+                        only if I am "active"
+                    end note
+                }
+            else (no)
+            endif
+            if (DO_RESTART or DO_EXIT ?) then (yes)
+                :DO_MAIN_LOOP = False;
+            endif
+
+
+
+
+        }
+    endwhile (no)
+endwhile (no)
+
+stop
+
+@enduml
--
libgit2 0.21.2