# AWS::Transfer::Workflow WorkflowStep The basic building block of a workflow. ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{
    "CopyStepDetails" : WorkflowStep,
    "CustomStepDetails" : WorkflowStep,
    "DecryptStepDetails" : WorkflowStep,
    "DeleteStepDetails" : WorkflowStep,
    "TagStepDetails" : WorkflowStep,
    "Type" : String
}
### YAML
CopyStepDetails: WorkflowStep
CustomStepDetails: WorkflowStep
DecryptStepDetails: WorkflowStep
DeleteStepDetails: WorkflowStep
TagStepDetails: WorkflowStep
Type: String
## Properties #### CopyStepDetails _Required_: No _Type_: WorkflowStep _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### CustomStepDetails _Required_: No _Type_: WorkflowStep _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### DecryptStepDetails _Required_: No _Type_: WorkflowStep _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### DeleteStepDetails _Required_: No _Type_: WorkflowStep _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### TagStepDetails _Required_: No _Type_: WorkflowStep _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### Type _Required_: No _Type_: String _Allowed Values_: COPY | CUSTOM | DECRYPT | DELETE | TAG _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)