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# AWS::QuickSight::DataSet LogicalTableSource
<a name="aws-properties-quicksight-dataset-logicaltablesource"></a>

Information about the source of a logical table. This is a variant type structure. For this structure to be valid, only one of the attributes can be non-null.

## Syntax
<a name="aws-properties-quicksight-dataset-logicaltablesource-syntax"></a>

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

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

```
{
  "[DataSetArn](#cfn-quicksight-dataset-logicaltablesource-datasetarn)" : String,
  "[JoinInstruction](#cfn-quicksight-dataset-logicaltablesource-joininstruction)" : JoinInstruction,
  "[PhysicalTableId](#cfn-quicksight-dataset-logicaltablesource-physicaltableid)" : String
}
```

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

```
  [DataSetArn](#cfn-quicksight-dataset-logicaltablesource-datasetarn): String
  [JoinInstruction](#cfn-quicksight-dataset-logicaltablesource-joininstruction): 
    JoinInstruction
  [PhysicalTableId](#cfn-quicksight-dataset-logicaltablesource-physicaltableid): String
```

## Properties
<a name="aws-properties-quicksight-dataset-logicaltablesource-properties"></a>

`DataSetArn`  <a name="cfn-quicksight-dataset-logicaltablesource-datasetarn"></a>
The Amazon Resource Number (ARN) of the parent dataset.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`JoinInstruction`  <a name="cfn-quicksight-dataset-logicaltablesource-joininstruction"></a>
Specifies the result of a join of two logical tables.  
*Required*: No  
*Type*: [JoinInstruction](aws-properties-quicksight-dataset-joininstruction.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`PhysicalTableId`  <a name="cfn-quicksight-dataset-logicaltablesource-physicaltableid"></a>
Physical table ID.  
*Required*: No  
*Type*: String  
*Pattern*: `^[0-9a-zA-Z-]*$`  
*Minimum*: `1`  
*Maximum*: `64`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)