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 WorkflowStep
<a name="aws-properties-transfer-workflow-workflowstep"></a>

The basic building block of a workflow.

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

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

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

```
{
  "[CopyStepDetails](#cfn-transfer-workflow-workflowstep-copystepdetails)" : CopyStepDetails,
  "[CustomStepDetails](#cfn-transfer-workflow-workflowstep-customstepdetails)" : CustomStepDetails,
  "[DecryptStepDetails](#cfn-transfer-workflow-workflowstep-decryptstepdetails)" : DecryptStepDetails,
  "[DeleteStepDetails](#cfn-transfer-workflow-workflowstep-deletestepdetails)" : DeleteStepDetails,
  "[TagStepDetails](#cfn-transfer-workflow-workflowstep-tagstepdetails)" : TagStepDetails,
  "[Type](#cfn-transfer-workflow-workflowstep-type)" : String
}
```

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

```
  [CopyStepDetails](#cfn-transfer-workflow-workflowstep-copystepdetails): 
    CopyStepDetails
  [CustomStepDetails](#cfn-transfer-workflow-workflowstep-customstepdetails): 
    CustomStepDetails
  [DecryptStepDetails](#cfn-transfer-workflow-workflowstep-decryptstepdetails): 
    DecryptStepDetails
  [DeleteStepDetails](#cfn-transfer-workflow-workflowstep-deletestepdetails): 
    DeleteStepDetails
  [TagStepDetails](#cfn-transfer-workflow-workflowstep-tagstepdetails): 
    TagStepDetails
  [Type](#cfn-transfer-workflow-workflowstep-type): String
```

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

`CopyStepDetails`  <a name="cfn-transfer-workflow-workflowstep-copystepdetails"></a>
Details for a step that performs a file copy.  
 Consists of the following values:   
+ A description
+ An Amazon S3 location for the destination of the file copy.
+ A flag that indicates whether to overwrite an existing file of the same name. The default is `FALSE`.
*Required*: No  
*Type*: [CopyStepDetails](aws-properties-transfer-workflow-copystepdetails.md)  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`CustomStepDetails`  <a name="cfn-transfer-workflow-workflowstep-customstepdetails"></a>
Details for a step that invokes an AWS Lambda function.  
Consists of the Lambda function's name, target, and timeout (in seconds).   
*Required*: No  
*Type*: [CustomStepDetails](aws-properties-transfer-workflow-customstepdetails.md)  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`DecryptStepDetails`  <a name="cfn-transfer-workflow-workflowstep-decryptstepdetails"></a>
Details for a step that decrypts an encrypted file.  
Consists of the following values:  
+ A descriptive name
+ An Amazon S3 or Amazon Elastic File System (Amazon EFS) location for the source file to decrypt.
+ An S3 or Amazon EFS location for the destination of the file decryption.
+ A flag that indicates whether to overwrite an existing file of the same name. The default is `FALSE`.
+ The type of encryption that's used. Currently, only PGP encryption is supported.
*Required*: No  
*Type*: [DecryptStepDetails](aws-properties-transfer-workflow-decryptstepdetails.md)  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`DeleteStepDetails`  <a name="cfn-transfer-workflow-workflowstep-deletestepdetails"></a>
Details for a step that deletes the file.  
*Required*: No  
*Type*: [DeleteStepDetails](aws-properties-transfer-workflow-deletestepdetails.md)  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`TagStepDetails`  <a name="cfn-transfer-workflow-workflowstep-tagstepdetails"></a>
Details for a step that creates one or more tags.  
You specify one or more tags. Each tag contains a key-value pair.  
*Required*: No  
*Type*: [TagStepDetails](aws-properties-transfer-workflow-tagstepdetails.md)  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`Type`  <a name="cfn-transfer-workflow-workflowstep-type"></a>
 Currently, the following step types are supported.   
+ ** `COPY` ** - Copy the file to another location.
+ ** `CUSTOM` ** - Perform a custom step with an AWS Lambda function target.
+ ** `DECRYPT` ** - Decrypt a file that was encrypted before it was uploaded.
+ ** `DELETE` ** - Delete the file.
+ ** `TAG` ** - Add a tag to the file.
*Required*: No  
*Type*: String  
*Allowed values*: `COPY | CUSTOM | DECRYPT | DELETE | TAG`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)