# WorkflowStep
<a name="API_WorkflowStep"></a>

The basic building block of a workflow.

## Contents
<a name="API_WorkflowStep_Contents"></a>

 ** CopyStepDetails **   <a name="TransferFamily-Type-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`.
Type: [CopyStepDetails](API_CopyStepDetails.md) object  
Required: No

 ** CustomStepDetails **   <a name="TransferFamily-Type-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).   
Type: [CustomStepDetails](API_CustomStepDetails.md) object  
Required: No

 ** DecryptStepDetails **   <a name="TransferFamily-Type-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.
Type: [DecryptStepDetails](API_DecryptStepDetails.md) object  
Required: No

 ** DeleteStepDetails **   <a name="TransferFamily-Type-WorkflowStep-DeleteStepDetails"></a>
Details for a step that deletes the file.  
Type: [DeleteStepDetails](API_DeleteStepDetails.md) object  
Required: No

 ** TagStepDetails **   <a name="TransferFamily-Type-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.  
Type: [TagStepDetails](API_TagStepDetails.md) object  
Required: No

 ** Type **   <a name="TransferFamily-Type-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.
Type: String  
Valid Values: `COPY | CUSTOM | TAG | DELETE | DECRYPT`   
Required: No

## See Also
<a name="API_WorkflowStep_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/transfer-2018-11-05/WorkflowStep) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/transfer-2018-11-05/WorkflowStep) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/transfer-2018-11-05/WorkflowStep)