[net](../../index.md) / [com.drake.net.request](../index.md) / [BaseRequest](index.md) / [addHeader](./add-header.md) # addHeader `fun addHeader(name: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, value: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) 添加请求头 如果已存在相同`name`的请求头会添加而不会覆盖, 因为请求头本身存在多个值