function m6()
    
local inst = mc.mcGetInstance()

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--change lines here to either auto rapid, or manually jog to a tool change position
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--Manual Lines. Uncomment line below to allow you to manually jog to a tool change position. 
--local MyChoice = wx.wxMessageBox("Click OK, \nThen Jog to A Safe Tool Change Position,\nInsert New tool,\nThen Click Cycle Start.","Click OK to continue" , 16)
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--Auto Lines.  Uncomment both lines below (and comment out local MyChoice line above) to automatically move to tool change position. Edit to include the machine coordinate values of that tool change position.
--mc.mcCntlGcodeExecuteWait(inst, "G53 G0 Z0\nG53 G0 X11.2 Y-17.6")--just moving the Z to Home.  We could move to a different X and or Y position.
--mc.mcCntlSetLastError(inst, 'Now in Tool Change Position. Hit Cycle Start!')
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local selectedtool = mc.mcToolGetSelected(inst)
local currenttool = mc.mcToolGetCurrent(inst)
    
	if selectedtool == currenttool then
        mc.mcCntlSetLastError(inst, "Current tool == Selected tool so there is nothing to do")
	else
        mc.mcCntlToolChangeManual(inst, true);
		mc.mcCntlSetLastError(inst, "Current tool == " .. tostring(selectedtool) .. "   Previous Tool == " .. tostring(currenttool))
		mc.mcToolSetCurrent(inst, selectedtool)

local MyChoice = wx.wxMessageBox("Click Ok to Begin Probing the New Tool","Click OK to continue" , 16)
        mc.mcCntlSetLastError(inst, "Probing in Progress!")
        mc.mcCntlGcodeExecuteWait(inst, " G91 G31 Z-5. F5.")--probe the new tool
local probedz = mc.mcCntlGetPoundVar(inst, mc.SV_PROBE_POS_Z) -- Z Probe position in Machine coords
        mc.mcCntlGcodeExecuteWait(inst, "G00 G91 Z.25 ")--Retract
		mc.mcCntlGcodeExecuteWait(inst, "G90")--Back to Absolute
local NewOffset = probedz
		mc.mcToolSetData(inst, mc.MTOOL_MILL_HEIGHT, selectedtool, NewOffset)
		mc.mcCntlSetLastError(inst, string.format("Auto tool setting complete, Offset = %.4f", NewOffset))
wx.wxMessageBox("Toolchange Complete.\nTLO Set")
        end

end

if (mc.mcInEditor() == 1) then
 m6()
end