Redwood: Make attachments required for ESS pages

Summary:

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Hello everyone,

I would like to make the attachments section required for some ESS sections. I have already reviewed the following document, in which it states that "The Comments and Attachments step is visible when approvals are enabled."

The approvals are already in place, and the comments and attachment section is visible. However, I would like to make the attachments mandatory.

I tried to search how I could do make the attachments required with VB Studio, but it is not clear to me how this can be achieved.

Does anyone know how to achieve this requirement?