No description 
type SlackActivityMetadata implements ActivityMetadata {
  conversationName: String!
  sender: String!
  messageText: String!
  subject: [Identifier]
  date: Date
}

​
Fields

​
conversationName
String!
The name of the conversation where the message was sent.
​
sender
String!
The sender of the message.
​
messageText
String!
The text content of the message.
​
subject
[Identifier]
List of identifiers associated with the activity’s subject.
​
date
Date
Date indicating when the message was sent.

​
Interfaces

ActivityMetadata interface