Messages > Click On Edit Icon. Messages Details > Click On Edit Icon.
This is edit message page, whenever admin wants to edit any message (click on edit) he will be brought here.
This portion has a back link that takes to control panel, page title and right menu button.
This portion has three fields subject, message and status. Admin can edit subject or message and save it. Subject field will only be available for edit of first message (conversation starter). status field is for changing status (approved, pending) of message.
For other message this portion is gonna look like this.
This portion has save message button, click on this button will simply save the message.