Go to the form you wish to edit.

Click Edit.

Click Insert More Content, and select Other Macros.

Select the Message Box macro from the provided list.

Complete the desired fields.

Parameter	Description	Type	Default	Required
Title	The text appearing in the message.	string	none
Message Icon	Choose a message icon option: None: no icon is displayed in the message box. Default: the default icon for the selected message type is displayed, e.g. a green tick is displayed for a Success message box. Preset icon: select from a list of Content Formatting icons. See the icon reference below.	single select	success
Message Type	The type of message to display: generic warning error success hint	single select	generic
ID	Specifies a CSS ID to be added.	string	none
Class	Specifies a CSS Class to be added.	string	none

The macro will then appear on the page, with space to add any content into the body of the Message Box.

Once saved, an Atlassian styled Message Box will appear on the page.