Can't find "ReplaceByCondition" in Designscript

[Xiaofei_Ying]

When typing “List.Rep”, it only pop up “ReplaceItemAtIndex”

[khuzaimah.ElecEng]

you cant find it like this, you need to use if statement formula in a code block
like this
formula ? value if true : value if false;

example

[AmolShah]

[Daan]

Exactly, replace by condition is just like an if-statement.