button is an optional key used for customizing buttons in path pickers.
It allows you to rename the button associated with the picker component.
{
"gui": {
"window_name": "Button sample",
"command": "echo %-% %-%",
"components": [
{
"type": "file",
"label": "Some file",
"button": "..."
},
{
"type": "folder",
"label": "Some folder",
"button": "Open"
}
]
}
}