Keyboard Maestro Wiki

# Keyboard Maestro — Set value of variable "<variable name>"
set myText to "whatever"

tell application "Keyboard Maestro Engine"
  if variable "myKMVariableName" exists then
    set value of variable "myKMVariableName" to myText
  else
    make new variable with properties {name:"myKMVariableName", value:myText}
  end if
end tell

# Keyboard Maestro — Get value of variable "<variable name>"
tell application "Keyboard Maestro Engine"
  if variable "myKMVariableName" exists then
    set myAppleScriptVariableName to value of variable "myKMVariableName"
  end if
end tell