3dsmax .mse script file to button

-- there is my template for seach cases:

macroScript macro_ToDo
 category:"Tools" 
 internalCategory:"Tools" 
 tooltip:"To Do..." 
 buttontext:"To Do..." 
(
 local sFile = (GetDir #scripts) + "/myScript.mse"
 if (doesFileExist sFile) then (fileIn sFile)
 else (messageBox "Unable to locate the script.")
)

1. Put your .mse file on your Scripts directory.


2. Open the MAXScript Editor and paste the example code


3. Name your tooltip and buttontext variables


4. Tools > Evaluate all


5. Go to the customize user interface menu


6. Create a new toolbar


7. Select ‘Tools’ in the Category dropdown menu


8. Look for the name you gave for the tool


9. Drag and drop it to your freshly created toolbar


10. Save the toolbar

SOURCE