SetLoopSection

app.command.SetLoopSection {
  action=string,
  begin=int,
  `end`=int,
}

Set the looping property of the given frame range.

action: The action to take. "auto" derives it from the selected range and ignores the begin and end parameters, "on" creates the looping section and "off" removes it.
begin: The start of the frame range to change
end: The end of the frame range.