2022
The process of retrieving value from custom field of QuickBooks Online is discussed below with the example.
Syntax:
TargetField > VALUE("CustomField[Name='Custom_Field name']/StringValue")
Let us take an example of custom field SalesRep in Invoice of QuickBooks Online. To retrieve the value of this field and to insert in the Target field Salesrep__c of Salesforce Opporunity
TargetField should be Salesrep__c
The query to retrieve the value from custom field SalesRep should be
VALUE("CustomField[Name='SalesRep']/StringValue")