Tool call | Lime design system

Examples

In a reply

Move $50 to Vacation fund.

Moved $50 to Vacation fund

Working

Finding transactions1 of 2

With the reason it failed

Move failedLow balance

When to use it

Use: A step the assistant ran between a request and its answer: a search, a transfer, a lookup.
Use: A list of steps or checks in order, one line each, such as the checks before a payment.
Use: A failure the person can act on, with the reason.
Not for: The state of a job in a list, such as a payment in your activity. Use Status.
Not for: The assistant's answer. Use Message.
Not for: A notice or banner. Use an alert.

7 rules

Must: Name the real step; never "Thinking". Because Thinking gives the person nothing to check or stop before money moves.
Must: Put the failure reason in detail. Because without it the person cannot tell whether to top up, retry or give up.
Must: Use present tense while running and past tense after. Because a done check beside Moving reads as a transfer still in flight.
Never: Wrap each step in a card with a title bar or chevron; keep the single line. Because a card per step pushes the assistant's answer below a stack of panels.
Must: Put steps that appear while waiting in a container with aria-live="polite". Because each row is role="status", but a live region added after load is not announced.
Should: Keep the label short with the key words first; it truncates to one line with no tooltip.
Should: Add a position such as "Step 2 of 3" in detail on a step that runs long.

4 checks

: Each row is role status with a hidden state word (Running, Done, Failed) before the label.
: A change of state is announced politely.
: The spinner keeps turning under reduced motion; the marks swap at once.
: Failed is told by the warning shape and the word, not color alone.

6 edge cases

Long label: Truncates with an ellipsis; the full text is not reachable.
Narrow container: The detail truncates first so the label stays whole; the mark stays 16px.
Right to left: The mark sits at the start and the detail at the end.
Reduced motion: The spinner keeps turning by design.
Empty label: Only the mark draws; do not render it.
Status swaps: The mark changes at once with no layout shift.

3 props

10 tokens