1      Definition

A perceptible object in the Universe or the Analogue Twin in the Universe of an Item in the Metaverse.

2      Functional Requirements

An R-Item can be of one of 3 Types:

  1. An existing real object that is placed at a U-Location (R-Object).
  2. A new real object that is synthesised with a 3D printer rendering an Item (S-Object).
  3. A perceptible 2D or 3D media item in the Universe that renders an Item in an M-Instance (M-Object).

3      Syntax

https://schemas.mpai.community/MMM4/V2.1/data/RItem.json

4      Semantics

Label Description
Header Value Header
– Standard – Wallet The characters “MMM-RIT-V”
– Version Major version – 1 or 2 characters
– Dot-separator The character “.”
– Subversion Minor version – 1 or 2 characters
MInstanceID Identifier of M-Instance.
UEnvironmentID Identifier of a U-Environment
ItemID Identifier of Item in the M-Instance.
RItemID Identifier of R-Item.
RItemType One of R-Object, S-Object, M-Object.
ULocation U-Location of R-Item.
DescrMetadata Descriptive Metadata.