Flipper/Applications/Custom (UL, RM)/RogueMaster/Scripts/dialog.js

let dialog = require("dialog");

let result1 = dialog.message("Dialog demo", "Press OK to start");
print(result1);

let dialog_params = ({
    header: "Test_header",
    text: "Test_text",
    button_left: "Left",
    button_right: "Files",
    button_center: "OK"
});

let result2 = dialog.custom(dialog_params);
if (result2 === "") {
    print("Back is pressed");
} else if (result2 === "Files") {
    let result3 = dialog.pickFile("/ext", "*");
    print("Selected", result3);
} else {
    print(result2, "is pressed");
}