Changes the color of the border on the left side of this attachment from the default gray.
Can either be one of good (green), warning (yellow), danger (red), or any hex color code (eg. #439FE0).
Some brief text to help contextualize and identify an attachment.
Limited to 300 characters, and may be truncated further when displayed to users in environments with limited screen real estate.
A valid URL to an image file that will be displayed beside the footer text.
Will only work if authorName is present.
We'll render what you provide at 16px by 16px.
It's best to use an image that is similarly sized.
The main body text of the attachment.
The content will automatically collapse if it contains 700+ characters or 5+ linebreaks, and will display a "Show more..." link to expand the content.
A valid URL to an image file that will be displayed as a thumbnail on the right side of a message attachment.
We currently support the following formats: GIF, JPEG, PNG, and BMP.
An integer Unix timestamp that is used to related your attachment to a specific time.
The attachment will display the additional timestamp value as part of the attachment's footer.