in tournament list api, we get stages for each tournament like below response.

“STAGES”: [
{
“STAGE_ID”: “IZWqDDl9”,
“STAGE_NAME”: “Main”,
“OUT”: “1”
},
{
“STAGE_ID”: “CzkIf5Ys”,
“STAGE_NAME”: “Play Offs”,
“OUT”: “2”
},
{
“STAGE_ID”: “WxylCX3F”,
“STAGE_NAME”: “Qualification”,
“OUT”: “2”
}
]

So what is a meaning or use of OUT paramter.