hypermesh tcl question for determine hypermesh file save?

hi all,

i am new for hypermesh tcl beginer.

i want to determine the hypermesh save?

this is my code,should i use [hm_info currentfile] correct?

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set currentFilePath [hm_info currentfile]

if {$currentFilePath ne ""} {
     puts "The file has been saved."
     } else {
     tk_messageBox -title "Reminder" -message "Please remember to save the file!"
 }

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