How do we make sure enabling web view shows up in the doctype's customization tab?

I’ve created a doctype, and I’d like it to be accessible by a partner from the web page. Some have asked me to enable the web view, but I couldn’t find it in the customization. How can I achieve this?
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@Prince_Wallis sounds you sent your request to fast and files did not have finished the upload!

Can you reupload again?

@Prince_Wallis don’t customize your own doctypes just edit them . and about web forms you can open Web Form page and create a new one that suits you .

@Prince_Wallis just create a web form . it’s very simple and fast