NGSI Entity

This custom node is a simple node that allows to obtain NGSIv2 entity.

Properties

• name: a name for a node instance
• Context Broker: an endpoint of a context broker
• ServicePath: FIWARE Service Path
• Representation: normalized or keyValues
• Entity type: entity type to retrieve
• attributes: list of attributes to retrieve
• Date Modified: retrive attribute and metadata of dateModified

Inputs

Payload string or JSON Object

A msg.payload should contain an entity Id to retrieves NGSI v2 entity.

urn:ngsi-ld:Building:store001

A msg.payload should contain a condition to retrieves NGSI v2 entity.

{
  "id": "urn:ngsi-ld:Building:store001",
  "type": "Building",
  "attrs": "humidity",
  "keyValues": true,
  "dateModified": false
}

Outputs

Payload JSON Object

A msg.payload contains NGSIv2 entity.

Examples

Input 1

E1

Output 1

{
  "id": "E1",
  "type": "T",
  "humidity": {
    "type": "Number",
    "value": 51,
    "metadata": {}
  },
  "temperature": {
    "type": "Number",
    "value": 25,
    "metadata": {}
  }
}

Input 2

{
  "id": "E1",
  "type": "T",
  "attrs": "humidity",
  "keyValues": true
}

Output 2

{
  "id": "E1",
  "type": "T",
  "humidity": 51
}