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# AWS::QuickSight::Dashboard ColumnIdentifier
<a name="aws-properties-quicksight-dashboard-columnidentifier"></a>

A column of a data set.

## Syntax
<a name="aws-properties-quicksight-dashboard-columnidentifier-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-quicksight-dashboard-columnidentifier-syntax.json"></a>

```
{
  "[ColumnName](#cfn-quicksight-dashboard-columnidentifier-columnname)" : String,
  "[DataSetIdentifier](#cfn-quicksight-dashboard-columnidentifier-datasetidentifier)" : String
}
```

### YAML
<a name="aws-properties-quicksight-dashboard-columnidentifier-syntax.yaml"></a>

```
  [ColumnName](#cfn-quicksight-dashboard-columnidentifier-columnname): String
  [DataSetIdentifier](#cfn-quicksight-dashboard-columnidentifier-datasetidentifier): String
```

## Properties
<a name="aws-properties-quicksight-dashboard-columnidentifier-properties"></a>

`ColumnName`  <a name="cfn-quicksight-dashboard-columnidentifier-columnname"></a>
The name of the column.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `127`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DataSetIdentifier`  <a name="cfn-quicksight-dashboard-columnidentifier-datasetidentifier"></a>
The data set that the column belongs to.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `2048`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)