NotifyDisplayMessages

Delivers the display messages requested by GetDisplayMessages.

Version: OCPP 2.0.1
Direction: Charge Point → CSMS
Functional block: Display Message

Split across parts with tbc, like the other Notify messages.

Request

Field	Type	Required	Description
`requestId`	integer	Required	Matches the GetDisplayMessages request.
`messageInfo`	MessageInfoType[]	Optional	The configured messages.
`tbc`	boolean	Optional	True when more parts follow.

json

[2, "19223201", "NotifyDisplayMessages", {
  "requestId": 1201,
  "messageInfo": [{
    "id": 42,
    "priority": "NormalCycle",
    "state": "Idle",
    "message": { "format": "UTF8", "language": "en", "content": "Charging from 0.32/kWh" }
  }]
}]

Response

No fields — the payload is an empty object {}.

json

[3, "19223201", {}]

Implementation notes

Use this to recover message ids before clearing — ClearDisplayMessage deletes by id.