Subject field in Contact form

1. How do I add a subject field in contact form 7?
2. How do I add a field to a contact form in Wordpress?
3. How do I set a value in contact form 7?

How do I add a subject field in contact form 7?

Simply edit the Subject field in the Mail tab panel.

How do I add a field to a contact form in Wordpress?

Insert a form-tag into the Form tab panel field. For more details about form-tags, see How Tags Work. You might feel that the form-tag syntax is a bit difficult to learn first time, but you don't have to worry about that.

How do I set a value in contact form 7?

To do this, add default:source option to the form-tag from which you want to derive the default value. Available data sources are: get (HTTP GET variables), post (HTTP POST variables), and post_meta (custom fields). Logged-in user information is also available.