Function that returns whether the value of the input assembly relationship is overridden for the positional representation. It also returns the values expression.
| Name | Type | Description |
| Relationship | Object | Input assembly constraint or connection object to be queried for the override. |
| RelationShipValueType | RelationshipValueTypeEnum | Input RelationshipValueTypeEnum that specifies the value of the assembly constraint or connection object. |
| Expression | String | Output string that returns the expression of the specified value of the assembly constraint or connection object (whether it is overridden or not). |