# 流量参数

## 一般描述

提供来自前一个时间步的节点流的参数。 [API 参考资料](https://pywr.github.io/pywr-docs/master/api/generated/pywr.parameters.FlowParameter.html)

注意：此参数跟踪给定节点上前一个时间步的流量。这些值可用于计算当前时间步长，就好像这是任何其他参数一样。

## 属性

<table><thead><tr><th width="158">姓名</th><th width="473">描述</th><th>必填项</th></tr></thead><tbody><tr><td>模型</td><td>pywr.model.model</td><td>是的</td></tr><tr><td>节点</td><td>将对其流量进行追踪的节点</td><td>是的</td></tr><tr><td>初始值</td><td>在节点有任何过往流量之前的第一个时间步返回的值</td><td>是的</td></tr></tbody></table>

## 示例

即将推出...

\`\`json {

}

```
```


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