# XML Schema Documentation

### Model Group: TradeOrTradeReference.model

#### [Table of contents]

Name | TradeOrTradeReference.model
Used by (from the same schema document) | Complex Type Increase
Documentation | Choice between identification and representation of trade execution.

XML Instance Representation
Start Choice [1]
<trade> Trade </trade> [1]

'An element that allows the full details of the trade to be used as a mechanism for identifying the trade for which the post-trade event pertains'

<tradeReference> PartyTradeIdentifiers </tradeReference> [1]

'A container since an individual trade can be referenced by two or more different partyTradeIdentifier elements - each allocated by a different party.'

End Choice
Diagram
Schema Component Representation
<xsd:group name="TradeOrTradeReference.model">
<xsd:choice>
<xsd:element name="trade" type=" Trade "/>
<xsd:element name="tradeReference" type=" PartyTradeIdentifiers "/>
</xsd:choice>
</xsd:group>