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ConnectApi.DataGraphRelationship

Represents the relationship of a field of the object data for the data graph.

Property Name	Type	Description	Available Version
`cardinality`	`RelationshipCardinality`	Cardinality of the relationship of a field for object data of the data graph. `CardinalityUnspecified` `ManyToOne` `OneToMany` `OneToOne`	59.0
`fieldName`	String	Field name of the object data for the data graph.	59.0
`parentFieldName`	String	Parent field name of the object data for the data graph.	59.0

Apex Reference Guide

ConnectApi.DataGraphRelationship