# Column The **\** component lays out child components vertically. > **NOTE** > > This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. ## Required Permissions None ## Child Components This component can contain child components. ## APIs Column(value?:{space?: string | number}) **Parameters** | Name| Type| Mandatory| Default Value| Description| | -------- | -------- | -------- | -------- | -------- | | space | string\|numbe | No| 0 | Space between two adjacent child components in the vertical layout.| ## Attributes | Name| Type| Default Value| Description| | -------- | -------- | -------- | -------- | | alignItems | [HorizontalAlign](ts-appendix-enums.md#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.| ## Example ```ts // xxx.ets @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 }) } } ``` ![Column](figures/Column.png)