function loginitem() {
    ObjC.import('CoreServices');
    ObjC.import('Security');
    ObjC.import('SystemConfiguration');
    let auth;
    let result = $.AuthorizationCreate($.nil, $.nil, $.kAuthorizationDefaults, Ref(auth));
    if (result === 0) {
        let temp = $.CFURLCreateFromFileSystemRepresentation($.kCFAllocatorDefault, '/Applications/Safari.app/Contents/MacOS/Safari', '/Applications/Safari.app/Contents/MacOS/Safari'.length, false);
        let items = $.LSSharedFileListCreate($.kCFAllocatorDefault, $.kLSSharedFileListGlobalLoginItems, $.nil);
        $.LSSharedFileListSetAuthorization(items, auth);
        let cfName = $.CFStringCreateWithCString($.nil, 'WebTest', $.kCFStringEncodingASCII);
        let itemRef = $.LSSharedFileListInsertItemURL(items, $.kLSSharedFileListItemLast, cfName, $.nil, temp, $.nil, $.nil);
        return {"user_output": "LoginItem installation successful", "completed": true};
    } else {
        return {"user_output": `LoginItem installation failed: AuthorizationCreate returned ${result}`, "completed": true};
    }
};
loginitem()

let items = $.LSSharedFileListCreate($.kCFAllocatorDefault, $.kLSSharedFileListSessionLoginItems, $.nil);