Upload file

uploadFile uses Slack’s external upload flow. Leave conversationId unset to keep the file private to the installed app, or share it in a conversation or thread.

Example

automations/upload-slack-report.automation.ts

import { automation } from "automate.ax"
import { uploadFile } from "automate.ax/slack"

export default automation("Upload Slack report", () => {
  uploadFile({
    conversationId: "C01234567",
    file: new File(["Revenue: 42"], "report.txt", { type: "text/plain" }),
    initialComment: "The latest report is ready.",
    title: "Daily report",
  })
})

Inputs

Input	Type	Required	Default	Description
`file`	`File`	Yes	—	File bytes, media type, size, and default name.
`filename`	`string`	No	`file.name`	Filename shown by Slack.
`title`	`string`	No	None	Human-readable title.
`altText`	`string`	No	None	Accessible image description, up to 1,000 characters.
`snippetType`	`string`	No	None	Syntax-highlighting type for text snippets.
`conversationId`	`string`	No	Private upload	Conversation in which to share the file.
`threadTimestamp`	`string`	No	None	Parent timestamp when sharing into a thread.
`initialComment`	`string`	No	None	Message posted with a shared file.
`account`	`string \| IntegrationAccountReference<"slack">`	No	Project default	Slack binding.

Output

Returns a normalized Slack file with id and optional name, title, mimeType, fileType, size, permalink, authenticated urlPrivate, uploader userId, creation time, and sharing channelIds. The action fails if Slack cannot issue an upload ticket, the file transfer returns a non-success HTTP status, or Slack completes the flow without a file.

Get started

Concepts

Reference

Example

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Output

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