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Slack ACTION

Upload File

Upload a file. See the documentation
  • Action
  • Writes data
  • OAuth
  • SDK
  • MCP

IMPLEMENTATION

Call this tool

Connect a user's Slack account once, then configure and run Upload File from your backend or agent.

import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "slack_v2-upload-file",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    slack_v2: { authProvisionId: "apn_xxxxxxx" },
    conversation: "Channel",
    content: "File Path or URL",
  },
})

console.log(result)

SCHEMA

Inputs

Pipedream supplies the connected account. Your application provides the operation-specific values below. Dynamic inputs are resolved against that user's account.

Upload File inputs
Property Type Description
conversation Channel string
Prefer a channel ID (e.g. C1234567890) — use List Channels to look it up; it resolves instantly. A channel NAME (e.g. general or #general) is also accepted, but resolving it scans up to 5 conversations.list pages (~5,000 channels), which is slow and, on large workspaces, can be rate-limited or fail with a ConfigurationError if the channel is beyond that bound — pass the ID whenever you have it. Depending on the action, this may also accept a user ID (opens a direct message) or a group DM ID — use Find User by Email / Find User by ID to resolve a user ID, or List Group Conversations for group DM IDs.
Required
content File Path or URL string
The file to upload. Provide either a file URL or a path to a file in the /tmp directory (for example, /tmp/myFile.txt)
Required
initialComment Initial Comment string
Will be added as an initial comment before the image
Optional
syncDir SyncDir dir
Optional

REFERENCE

Tool details

Behavior hints are published with the component in the Pipedream registry and surface as MCP tool annotations, so an agent can reason about a tool before it calls it.

Registry key
slack_v2-upload-file
Version
0.1.15
App
Slack
Authentication
OAuth
Read-only
No
Destructive
No
Open world
Yes