Add custom fields to mail types to create fillable forms when sending a mail.
Before reading this article you'll need to prepare to use mail forms and restricted fields on your project.
You'll also need to create your project fields, so you can apply them to mail types to build your mail forms.
The character limits for fields and tooltips are:
Restricted Fields allow Aconex project owners to track sensitive information against specific mail types. This information is restricted (only visible) to the Aconex project owning organization. For example, you may decide to track potential cost or time impacts against Site Instructions so that Head Contractors can factor that data into their projected contingency.
To add restricted fields, find the mail type you want to update in your mail type project settings. Under Actions click the three dots menu and select Edit Restricted Fields. The list of restricted fields is separate from the list of project fields.
The below image shows an example of how restricted fields appear when creating a new mail.