# Column

> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.


The **<Column\>** component lays out child components vertically.


## Required Permissions

None


## Child Components

Supported


## APIs

Column(value:{space?: Length})


- Parameters
  | Name| Type| Mandatory| Default Value| Description| 
  | -------- | -------- | -------- | -------- | -------- |
  | space | Length | No| 0 | Space between two adjacent child components in the vertical layout.| 


## Attributes

| Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- |
| alignItems | HorizontalAlign | HorizontalAlign.Center | Alignment mode of the child components in the horizontal direction.|
| justifyContent8+ | [FlexAlign](ts-container-flex.md) | FlexAlign.Start | Alignment mode of the child components in the vertical direction.|

- HorizontalAlign enums
  | Name| Description| 
  | -------- | -------- |
  | Start | Aligned with the start edge in the same direction as the language in use.| 
  | Center | Center aligned. This is the default alignment mode.| 
  | End | Aligned with the end edge in the same direction as the language in use.|



## Example

```
@Entry
@Component
struct ColumnExample {
  build() {
    Column() {
        Text('space').fontSize(9).fontColor(0xCCCCCC).width('90%')
        Column({ space: 5 }) {
          Column().width('100%').height(30).backgroundColor(0xAFEEEE)
          Column().width('100%').height(30).backgroundColor(0x00FFFF)
        }.width('90%').height(100).border({ width: 1 })

        Text('alignItems(Start)').fontSize(9).fontColor(0xCCCCCC).width('90%')
        Column() {
          Column().width('50%').height(30).backgroundColor(0xAFEEEE)
          Column().width('50%').height(30).backgroundColor(0x00FFFF)
        }.alignItems(HorizontalAlign.Start).width('90%').border({ width: 1 })

        Text('alignItems(End)').fontSize(9).fontColor(0xCCCCCC).width('90%')
        Column() {
          Column().width('50%').height(30).backgroundColor(0xAFEEEE)
          Column().width('50%').height(30).backgroundColor(0x00FFFF)
        }.alignItems(HorizontalAlign.End).width('90%').border({ width: 1 })

        Text('justifyContent(Center)').fontSize(9).fontColor(0xCCCCCC).width('90%')
        Column() {
          Column().width('30%').height(30).backgroundColor(0xAFEEEE)
          Column().width('30%').height(30).backgroundColor(0x00FFFF)
        }.height('15%').border({ width: 1 }).justifyContent(FlexAlign.Center)

        Text('justifyContent(End)').fontSize(9).fontColor(0xCCCCCC).width('90%')
        Column() {
          Column().width('30%').height(30).backgroundColor(0xAFEEEE)
          Column().width('30%').height(30).backgroundColor(0x00FFFF)
        }.height('15%').border({ width: 1 }).justifyContent(FlexAlign.End)
    }.width('100%').padding({ top: 5 })
  }
}
```

![zh-cn_image_0000001219982721](figures/Column.png)