Add card label

trello.addCardLabel applies a reusable label and returns a mutation receipt.

automations/label-trello-card.automation.ts

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

export default automation("Label Trello card", () => {
  onDashboardRun({ title: "Label Trello card" })
  trello.addCardLabel({ card: "card-id", labelId: "label-id" })
})

Provide card as an ID, short link, or URL and a stable labelId. Optional second argument { account } defaults to the project binding. Returns Signal<{ added: true; cardId: string; labelId: string }> after Trello confirms the mutation. The label must belong to the card’s board. Discover IDs with List board labels, and call Get card separately when the updated card is needed.

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