Email Message Capability

If a feed element has this capability, it has an email message from a case.

Property Name	Type	Description	Filter Group and Version	Available Version
`attachments`	Email Attachment[]	The attachments in the email message.	Big, 36.0	36.0
`bccAddresses`	Email Address[]	The BCC addresses for the email message.	Small, 36.0	36.0
`body`	String	The body of the email message.	Big, 36.0	36.0
`ccAddresses`	Email Address[]	The CC addresses for the email message.	Small, 36.0	36.0
`direction`	String	The direction of the email message. Values are: `Inbound`—An inbound message (sent by a customer). `Outbound`—An outbound message (sent to a customer by a support agent).	Small, 32.0	32.0
`emailMessageId`	String	The ID of the email message.	Small, 32.0	32.0
`fromAddress`	Email Address	The From address for the email message.	Small, 36.0	36.0
`isRichText`	Boolean	Indicates whether the body of the email message is in rich text format.	Small, 36.0	36.0
`subject`	String	The subject of the email message.	Small, 32.0	32.0
`textBody`	String	The body of the email message. In version 36.0 and later, use the `body` property. Important	Big, 32.0	32.0–35.0
`toAddresses`	Email Address[]	The To addresses of the email message.	Small, 32.0	32.0
`totalAttachments`	Integer	The total number of attachments in the email message.	Small, 38.0	38.0

Chatter REST API Developer Guide