@atommorgan This is what we use to outline attachments, which references the required fallback field: https://api.slack.com/docs/attachments …
@SlackHQ Working with attachments for slash commands. Took a while to realize one field was required. Any resource showing this?
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@SlackHQ But if an image_url is used it looks like text is also required. I can't seem to see this noted anywhere. -
@atommorgan You can use `image_url` without text, but you will also need to use the required `fallback` parameter.
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