Short tutorial of CKEditor5 in Asp.net core|How to upload file/image using ckeditor5 in asp.net core 

Yeah, it wouldn`t be bad

The variable _env is a private read-only variable of IWebHostEnviroment type that you need to declare and inject at the constructor method of the controller. private readonly IWebHostEnvironment _env; public DefaultController(IWebHostEnvironment env) { _env = env; } //...