Document Send Email operation options (#529)

* document send email operations

* add sup link to tags

* Update 3.interfaces.md

* Update 4.operations.md

* Update 3.interfaces.md

Author: ComfortablyCoding

content/guides/01.data-model/3.interfaces.md

@@ -117,7 +117,7 @@ Markdown text editor with formatting options in the toolbar. You can switch betw
 
 ![A standard form text input where user can select, add, and remove tags.](/img/510231f2-4336-4071-bf41-7c9d4193cca3.webp)
 
-A text input that allows users to apply any number of tags. When adding new tag, press Enter to save the tag.
+A text input that allows users to apply any number of tags. When adding new tag, press Enter to save the tag. To remove an existing tag simply click on the tag under the input.
 
 | Configuration  | Options                                                                 |
 | -------------- | ----------------------------------------------------------------------- |

content/guides/06.automate/4.operations.md

@@ -235,10 +235,17 @@ If you are self-hosting Directus, then you need to make sure that email capabili
 
 ### Options
 
-- **To** — Sets the email addresses. Hit enter to save the email. Click on a pill to remove
-  it.
-- **Subject** — Set the subject line.
-- **Body** — Use a Markdown or WYSIWYG editor to create the email body.
+- **To** — The recipient email addresses<sup>[1]</sup>.
+- **Subject** — The email subject line.
+- **CC** — Email addresses to be copied<sup>[1]</sup>.
+- **BCC** — Email addresses to be blind copied<sup>[1]</sup>.
+- **Reply To** — The email address replies will be sent to<sup>[1]</sup>.
+- **Type** — The email body format: `WYSIWYG`, `Markdown`, or `Template`.
+- **Body** — Available for `WYSIWYG` and `Markdown` types. Use the editor to compose the email content.
+- **Template** — Available when the type is set to `Template`. Select the template to use.
+- **Data** — Available when the type is set to `Template`. Variables injected into the selected template.
+
+<sup>[1]</sup> These interfaces are [tags](/guides/data-model/interfaces#tags).
 
 ### Payload