diff --git a/Moose Development/Moose/Core/MarkerOps_Base.lua b/Moose Development/Moose/Core/MarkerOps_Base.lua
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+--- **Core** - MarkerOps_Base.
+--
+-- **Main Features:**
+--
+--    * Create an easy way to tap into markers added to the F10 map by users.
+--    * Recognize own tag and list of keywords.
+--    * Matched keywords are handed down to functions.
+--
+-- ===
+--
+-- ### Author: **Applevangelist**
+-- 
+-- Date: May 2021
+-- 
+-- ===
+---
+-- @module Core.MarkerOps_Base
+-- @image Wrapper_Marker.png
+
+--------------------------------------------------------------------------
+-- MARKEROPS_BASE Class Definition.
+--------------------------------------------------------------------------
+
+--- MARKEROPS_BASE class.
+-- @type MARKEROPS_BASE
+-- @field #string ClassName Name of the class.
+-- @field #string Tag Tag to identify commands.
+-- @field #table Keywords Table of keywords to recognize.
+-- @field #string version Version of #MARKEROPS_BASE.
+-- @extends Core.Fsm#FSM
+
+--- *Fiat lux.* -- Latin proverb.
+--
+-- ===
+--
+-- ![Banner Image](..\Presentations\MARKER\Marker_Main.jpg)
+--
+-- # The MARKEROPS_BASE Concept
+-- 
+-- This class enable scripting text-based actions from markers.
+-- 
+-- @field #MARKEROPS_BASE
+MARKEROPS_BASE = {
+  ClassName = "MARKEROPS",
+  Tag = "mytag",
+  Keywords = {},
+  version = "0.0.1",
+  debug = false,
+}
+
+--- Function to instantiate a new #MARKEROPS_BASE object.
+-- @param #MARKEROPS_BASE self
+-- @param #string Tagname Name to identify us from the event text.
+-- @param #table Keywords Table of keywords  recognized from the event text.
+-- @return #MARKEROPS_BASE self
+function MARKEROPS_BASE:New(Tagname,Keywords)
+   -- Inherit FSM
+  local self=BASE:Inherit(self, FSM:New()) -- #MARKEROPS_BASE
+  
+    -- Set some string id for output to DCS.log file.
+  self.lid=string.format("MARKEROPS_BASE %s | ", tostring(self.version))
+  
+  self.Tag = Tagname or "mytag"-- #string
+  self.Keywords = Keywords or {} -- #table
+  self.debug = false
+  
+  -----------------------
+  --- FSM Transitions ---
+  -----------------------
+  
+  -- Start State.
+  self:SetStartState("Stopped")
+
+  -- Add FSM transitions.
+  --                 From State  -->   Event   -->   To State
+  self:AddTransition("Stopped", "Start",        "Running")        -- Start the FSM.
+  self:AddTransition("*",       "MarkAdded",    "*")        -- Start the FSM.
+  self:AddTransition("*",       "MarkChanged",   "*")        -- Start the FSM.
+  self:AddTransition("*",       "MarkDeleted",  "*")        -- Start the FSM.
+  self:AddTransition("Running", "Stop",         "Stopped")        -- Stop the FSM.
+  
+  self:HandleEvent(EVENTS.MarkAdded, self.OnEventMark)
+  self:HandleEvent(EVENTS.MarkChange, self.OnEventMark)
+  self:HandleEvent(EVENTS.MarkRemoved, self.OnEventMark)
+  
+  -- start
+  self:I(self.lid..string.format("started for %s",self.Tag))
+  self:__Start(1)
+  return self
+  
+  -------------------
+  -- PSEUDO Functions
+  -------------------
+  
+   --- On after "MarkAdded" event. Triggered when a Marker is added to the F10 map.
+   -- @function [parent=#MARKEROPS_BASE] OnAfterMarkAdded
+   -- @param #MARKEROPS_BASE self
+   -- @param #string From The From state
+   -- @param #string Event The Event called
+   -- @param #string To The To state
+   -- @param #string Text The text on the marker
+   -- @param #table Keywords Table of matching keywords found in the Event text
+   -- @param Core.Point#COORDINATE Coord Coordinate of the marker.
+   
+   --- On after "MarkChanged" event. Triggered when a Marker is changed on the F10 map.
+   -- @function [parent=#MARKEROPS_BASE] OnAfterMarkChanged
+   -- @param #MARKEROPS_BASE self
+   -- @param #string From The From state
+   -- @param #string Event The Event called
+   -- @param #string To The To state
+   -- @param #string Text The text on the marker
+   -- @param #table Keywords Table of matching keywords found in the Event text
+   -- @param Core.Point#COORDINATE Coord Coordinate of the marker.
+  
+   --- On after "MarkDeleted" event. Triggered when a Marker is deleted from the F10 map.
+   -- @function [parent=#MARKEROPS_BASE] OnAfterMarkDeleted
+   -- @param #MARKEROPS_BASE self
+   -- @param #string From The From state
+   -- @param #string Event The Event called
+   -- @param #string To The To state
+   
+      --- "Stop" trigger. Used to stop the function an unhandle events
+   -- @function [parent=#MARKEROPS_BASE] Stop
+
+end
+
+--- (internal) Handle events.
+-- @param #MARKEROPS self
+-- @param Core.Event#EVENTDATA Event
+function MARKEROPS_BASE:OnEventMark(Event)
+  self:T({Event})
+    if Event == nil or Event.idx == nil then
+      self:E("Skipping onEvent. Event or Event.idx unknown.")
+      return true
+    end
+    --position
+    local vec3={y=Event.pos.y, x=Event.pos.x, z=Event.pos.z}
+    local coord=COORDINATE:NewFromVec3(vec3)
+    if self.debug then
+      local coordtext = coord:ToStringLLDDM()
+      local text = tostring(Event.text)
+      local m = MESSAGE:New(string.format("Mark added at %s with text: %s",coordtext,text),10,"Info",false):ToAll()
+    end
+    -- decision
+    if Event.id==world.event.S_EVENT_MARK_ADDED then
+      self:T({event="S_EVENT_MARK_ADDED", carrier=self.groupname, vec3=Event.pos})
+      -- Handle event
+      local Eventtext = tostring(Event.text)
+      if Eventtext~=nil then
+        if self:_MatchTag(Eventtext) then
+         local matchtable = self:_MatchKeywords(Eventtext)
+         self:MarkAdded(Eventtext,matchtable,coord)
+        end
+      end
+    elseif Event.id==world.event.S_EVENT_MARK_CHANGE then
+      self:T({event="S_EVENT_MARK_CHANGE", carrier=self.groupname, vec3=Event.pos})
+      -- Handle event.
+      local Eventtext = tostring(Event.text)
+      if Eventtext~=nil then
+        if self:_MatchTag(Eventtext) then
+         local matchtable = self:_MatchKeywords(Eventtext)
+         self:MarkChanged(Eventtext,matchtable,coord)
+        end
+      end
+    elseif Event.id==world.event.S_EVENT_MARK_REMOVED then
+      self:T({event="S_EVENT_MARK_REMOVED", carrier=self.groupname, vec3=Event.pos})
+      -- Hande event.
+      local Eventtext = tostring(Event.text)
+      if Eventtext~=nil then
+        if self:_MatchTag(Eventtext) then
+         self:MarkDeleted()
+        end
+      end
+    end
+end
+
+--- (internal) Match tag.
+-- @param #MARKEROPS self
+-- @param #string Eventtext Text added to the marker.
+-- @return #boolean
+function MARKEROPS_BASE:_MatchTag(Eventtext)
+  local matches = false
+  local type = string.lower(self.Tag) -- #string
+  if string.find(string.lower(Eventtext),type) then
+    matches = true --event text contains tag
+  end
+  return matches
+end
+
+--- (internal) Match keywords table.
+-- @param #MARKEROPS self
+-- @param #string Eventtext Text added to the marker.
+-- @return #table
+function MARKEROPS_BASE:_MatchKeywords(Eventtext)
+  local matchtable = {}
+  local keytable = self.Keywords
+  for _index,_word in pairs (keytable) do
+    if string.find(string.lower(Eventtext),string.lower(_word))then
+      table.insert(matchtable,_word)
+    end
+  end
+  return matchtable
+end
+
+--- On before "MarkAdded" event. Triggered when a Marker is added to the F10 map.
+ -- @param #MARKEROPS_BASE self
+ -- @param #string From The From state
+ -- @param #string Event The Event called
+ -- @param #string To The To state
+ -- @param #string Text The text on the marker
+ -- @param #table Keywords Table of matching keywords found in the Event text
+ -- @param Core.Point#COORDINATE Coord Coordinate of the marker.
+function MARKEROPS_BASE:onbeforeMarkAdded(From,Event,To,Text,Keywords,Coord)
+  self:T({self.lid,From,Event,To,Text,Keywords,Coord:ToStringLLDDM()})
+end
+
+--- On before "MarkChanged" event. Triggered when a Marker is changed on the F10 map.
+ -- @param #MARKEROPS_BASE self
+ -- @param #string From The From state
+ -- @param #string Event The Event called
+ -- @param #string To The To state
+ -- @param #string Text The text on the marker
+ -- @param #table Keywords Table of matching keywords found in the Event text
+ -- @param Core.Point#COORDINATE Coord Coordinate of the marker.
+function MARKEROPS_BASE:onbeforeMarkChanged(From,Event,To,Text,Keywords,Coord)
+  self:T({self.lid,From,Event,To,Text,Keywords,Coord:ToStringLLDDM()})
+end
+
+--- On before "MarkDeleted" event. Triggered when a Marker is removed from the F10 map.
+ -- @param #MARKEROPS_BASE self
+ -- @param #string From The From state
+ -- @param #string Event The Event called
+ -- @param #string To The To state
+function MARKEROPS_BASE:onbeforeMarkDeleted(From,Event,To)
+  self:T({self.lid,From,Event,To})
+end
+
+--- On enter "Stopped" event. Unsubscribe events.
+ -- @param #MARKEROPS_BASE self
+ -- @param #string From The From state
+ -- @param #string Event The Event called
+ -- @param #string To The To state
+function MARKEROPS_BASE:onenterStopped(From,Event,To)
+  self:T({self.lid,From,Event,To})
+  -- unsubscribe from events
+  self:UnHandleEvent(EVENTS.MarkAdded)
+  self:UnHandleEvent(EVENTS.MarkChange)
+  self:UnHandleEvent(EVENTS.MarkRemoved)
+end
+
+--------------------------------------------------------------------------
+-- MARKEROPS_BASE Class Definition End.
+--------------------------------------------------------------------------
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