Edit canvas - Automate.ax

slack.editCanvas applies one edit operation per Slack API call. Workspace plan restrictions and the caller’s Canvas permissions still apply.

Example

automations/edit-slack-canvas.automation.ts

import { automation, onDashboardRun } from "automate.ax"
import { slack } from "automate.ax/slack"

export default automation("Append canvas section", () => {
  onDashboardRun({ title: "Append canvas section" })

  slack.editCanvas({
    canvasId: "F01234567",
    change: {
      documentContent: { markdown: "## Next steps", type: "markdown" },
      operation: "insert_at_end",
    },
  })
})

Inputs

Input	Type	Required	Description
`canvasId`	`string`	Yes	Stable Slack Canvas ID.
`change`	Canvas edit operation	Yes	One `insert_after`, `insert_before`, `insert_at_start`, `insert_at_end`, `replace`, `delete`, or `rename` operation with its required content or section ID.
Second argument: `{ account }`	`string \| IntegrationAccountReference<"slack">`	No	Slack binding.

Output

Returns no value after Slack accepts the edit.