This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::Transfer::Workflow S3InputFileLocation
<a name="aws-properties-transfer-workflow-s3inputfilelocation"></a>

 Specifies the details for the Amazon S3 location for an input file to a workflow. 

## Syntax
<a name="aws-properties-transfer-workflow-s3inputfilelocation-syntax"></a>

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

### JSON
<a name="aws-properties-transfer-workflow-s3inputfilelocation-syntax.json"></a>

```
{
  "[Bucket](#cfn-transfer-workflow-s3inputfilelocation-bucket)" : String,
  "[Key](#cfn-transfer-workflow-s3inputfilelocation-key)" : String
}
```

### YAML
<a name="aws-properties-transfer-workflow-s3inputfilelocation-syntax.yaml"></a>

```
  [Bucket](#cfn-transfer-workflow-s3inputfilelocation-bucket): String
  [Key](#cfn-transfer-workflow-s3inputfilelocation-key): String
```

## Properties
<a name="aws-properties-transfer-workflow-s3inputfilelocation-properties"></a>

`Bucket`  <a name="cfn-transfer-workflow-s3inputfilelocation-bucket"></a>
Specifies the S3 bucket for the customer input file.  
*Required*: No  
*Type*: String  
*Pattern*: `^[a-z0-9][\.\-a-z0-9]{1,61}[a-z0-9]$`  
*Minimum*: `3`  
*Maximum*: `63`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`Key`  <a name="cfn-transfer-workflow-s3inputfilelocation-key"></a>
The name assigned to the file when it was created in Amazon S3. You use the object key to retrieve the object.  
*Required*: No  
*Type*: String  
*Pattern*: `.*`  
*Minimum*: `0`  
*Maximum*: `1024`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)