What is the different between this two. And what p...

# compose

[myanmarking]

What is the different between this two. And what purpose each ones serves:
LazyColumn{
item(item, {item.key}){
MyItem()
}
}

LazyColumn{
item(item){
key(item.key){
MyItem()
}
}
}

[Albert Chang]

The latter is meaningless. It won’t work as you expected.