Create Definition

Create a new workflow or playground definition.

POST `/revisions/:id/data` (Command: `create_definition`)

Parameter	Type	Required	Description
`engine`	string	Yes	Must be `workflow_blobhub`.
`command`	string	Yes	Must be `create_definition`.
`alias`	string	Yes	Unique alias for the definition (6-32 chars).
`category`	string	Yes	`workflow` or `playground`.

Parameter	Type	Description
`definition`	object	The created definition object.

{
  "engine": "workflow_blobhub",
  "command": "create_definition",
  "alias": "data-process",
  "category": "workflow"
}