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Interface IAttachment

Many messaging channels provide the ability to attach richer objects. Bot Builder lets you express these attachments in a cross channel way and connectors will do their best to render the attachments using the channels native constructs. If you desire more control over the channels rendering of a message you can use IEvent.sourceEvent to provide attachments using the channels native schema. The types of attachments that can be sent varies by channel but these are the basic types:

  • Media and Files: Basic files can be sent by setting contentType to the MIME type of the file and then passing a link to the file in contentUrl.
  • Cards: A rich set of visual cards can by setting contentType to the cards type and then passing the JSON for the card in content. If you use one of the rich card builder classes like HeroCard the attachment will automatically filled in for you.

Hierarchy

  • IAttachment

Index

Properties

Optional content

content: any

(Optional) object structure of attachment.

contentType

contentType: string

MIME type string which describes type of attachment.

Optional contentUrl

contentUrl: string

(Optional) reference to location of attachment content.

Optional name

name: string

(Optional) name of the attachment.

Optional thumbnailUrl

thumbnailUrl: string

(Optional) link to the attachments thumbnail.

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