Dynamic Textarea is a form tag added by Contact Form 7 – Dynamic Text Extension (DTX) that creates <textarea> form fields for forms created with Contact Form 7. It expands upon Contact Form 7’s Textarea form tag, accepting all of the options it does, along with these additional options introduced by DTX:
| Option | Description | Example |
|---|---|---|
| Dynamic value | Set a dynamic default value. It can be static text or a shortcode. The value is shown in the form tag between quotes. | [dynamic_textarea inputname "CF7_get_post_var key='post_excerpt'"] |
| Cache Compatible | Enable cache compatibility mode for this field | [dynamic_textarea inputname dtx_pageload] |
These settings are easily configurable using the form-tag generator.

The dynamic_textarea form tag was introduced in version 4.0.0 of theย Contact Form 7 โ Dynamic Text Extensionย WordPress plugin.