Add Custom Navigation Menu in Existing standard.json file

Hello I am new in OpenEMR please Suggest me how to add new menu in existing file and what about below code menu_id and target

[

{

"label": "Calendar",

"menu_id": "cal0",

"target": "cal",

"url": "/interface/main/main_info.php",

"children": [],

"requirement": 0, 

},

Thanks

hi @faizan913, please see this explanation