---
document_id: agent.dataset.jd.task.brand_trend
schema_version: 1
---

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# Brand trend / 品牌趋势

Query monthly atomic metrics for one exact brand.

查询一个精确品牌的月度原子指标。

## Required inputs / 必要输入

- `brand` — `search_values`; required (`brand`): Exact brand value
  精确品牌值
- `time` — `user_required`; required: Analysis time range
  分析时间范围

## Steps / 步骤

1. `resolve_brand` · `search_values` — Resolve the spoken brand value.
   对齐用户口语中的品牌值。
   - search `brand` with `${brand}`
2. `query_trend` · `query_metrics` — Query metrics grouped by month.
   按月查询销售指标。
   - metrics: `gmv`, `units`, `asp`
   - group_by: `month`
   - filters: `brand eq ${brand}`
   - time: `${time}`

## Output requirements / 输出要求

- Present a month-by-month trend with metric definitions.
  按月展示趋势并附指标口径。

## Limitations / 限制

- Do not infer causes from sales movement alone.
  不得仅根据销售变化推断原因。

## Stop conditions / 停止条件

- Stop and ask when the brand match is ambiguous.
  品牌匹配有歧义时停止并追问。