LSIBLINGS in Groovy

@LSIBLINGS

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Hi All,

I'm trying to write a piece of code which could mimic the behavior of @LSIBLINGS in calcscript. I have a parent with a flat list of children under it and I want to pick up all members that precede the current member e.g.

Parent:

1. Child 1
2. Child 2
3. Child 3
4. Child 4
5. Child 5

If I select child 5, then I want all members above it to be copied into an array.

Any help would be greatly appreciated.

Thanks!