---
document_id: agent.dataset.tmall.task.bybt_coverage
schema_version: 2
parent_document_id: agent.dataset.tmall
section: capabilities
---

<!-- Generated by scripts.build_agent_guide; do not edit. -->

# Subsidy indicator coverage / 百亿补贴标识覆盖

Inspect monthly atomic sales metrics grouped by the normalized subsidy indicator. / 按归一化后的百亿补贴标识分组查看月度原子销售指标。

## Required inputs / 必要输入

- `time` — `user_required`; required: Analysis time range
  分析时间范围

## Steps / 步骤

1. `query_bybt_groups` · `query_metrics` — Group sales by subsidy status.
   按百亿补贴状态分组查询销售。
   - metrics: `gmv`, `units`
   - group_by: `has_bybt`
   - time: `${time}`

## Call example / 调用示例

Replace the example values with exact user inputs or values returned by `search_values`. / 将示例值替换为用户的精确输入或 `search_values` 返回的平台原始值。

`query_metrics`

```json
{
  "metrics": [
    "gmv",
    "units"
  ],
  "time": {
    "last_complete_months": 3
  },
  "group_by": [
    "has_bybt"
  ],
  "task_query": "使用 tmall 数据执行百亿补贴标识覆盖；time={\"last_complete_months\":3}",
  "dataset": "tmall"
}
```


## Output requirements / 输出要求

- Show unknown explicitly and never interpret it as no.
  显式展示未知，绝不解释为否。

## Limitations / 限制

- Unknown values cannot support a subsidy participation comparison.
  未知值不能支持是否参加百亿补贴的比较。

## Stop conditions / 停止条件

- Stop before drawing a participation conclusion when only unknown is returned.
  仅返回未知时，停止输出参与结论。