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Source: Roblox Creator Hub · CC BY 4.0 · View source · Code samples: MIT Imported 2026-10-03. Formatting adapted for this site.

UserNotification_Payload_JoinExperience — cloud.docs

A call-to-action that represents joining an experience.

Properties

NameTypeRequiredDescription
launchDatastringfalseArbitrary data that is available to an experience when a user joins the experience with the notification. This value is limited to a maximum of 200 bytes.

Complete Schema

{
  "type": "object",
  "properties": {
    "launchData": {
      "writeOnly": true,
      "example": "Launch Data",
      "type": "string",
      "description": "Arbitrary data that is available to an experience\nwhen a user joins the experience with the notification.\n\nThis value is limited to a maximum of 200 bytes."
    }
  },
  "description": "A call-to-action that represents joining an experience."
}