Adding a Vertex Label

Function

This API is used to add a vertex label.

URI

• URI format

  POST /ges/v1.0/{project_id}/graphs/{graph_name}/vertices/{vertex_id}/labels

• Parameter description

  Table 1 URI parameter description

  Parameter	Mandatory	Type	Description
  project_id	Yes	String	Project ID, which is used for resource isolation. For details, see Obtaining a Project ID.
  graph_name	Yes	String	Graph name
  vertex_id	Yes	String	Vertex ID

Request

• Request example

  POST
  http://{SERVER_URL}/ges/v1.0/{project_id}/graphs/{graph_name}/vertices/{vertex_id}/labels
  {
      "label":"user"
  }

  

  SERVER_URL: Address for accessing a graph. For details about its value, see Constraints of Using Service Plane APIs.

• Parameter description

  Table 2 Request body parameter description

  Parameter	Mandatory	Type	Description
  label	Yes	String	Vertex label

Response

• Parameter description

  Table 3 Parameter description

  Parameter	Mandatory	Type	Description
  errorMessage	No	String	System prompt. If execution succeeds, this parameter may be left blank. If execution fails, this parameter is used to display the error message.
  errorCode	No	String	System prompt. If execution succeeds, this parameter may be left blank. If execution fails, this parameter is used to display the error code.

• Response example (successful request)

  Http Status Code: 200
  {
  }

• Response example (failed request)

  Http Status Code: 400
  {
   "errorMessage": "Same label [user] already exists",
   "errorCode": "GES.8213"
  }

Return Value

• Normal

  200

• Abnormal