Create issue attachment

createIssueAttachment creates or idempotently updates an external attachment. Reusing the same url updates the existing attachment rather than creating a duplicate.

automations/attach-linear-resource.automation.ts

import { automation, onHttpRequest } from "automate.ax"
import { createIssueAttachment } from "automate.ax/linear"

export default automation("Attach customer ticket", () => {
  onHttpRequest({ scope: "automation" })
  createIssueAttachment({
    issueId: "ENG-123",
    title: "Customer ticket",
    url: "https://example.com/tickets/123",
    subtitle: "Escalated",
  })
})

issueId, non-empty title, and valid external url are required. Optional fields are Markdown commentBody, groupBySource, PNG/JPEG iconUrl, string-or-number metadata, subtitle, and account. Returns the created or updated LinearAttachment. This action links a URL; it does not upload file bytes.

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Create issue attachment