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QuickBooks: Read an invoice — response body — Invoice Line item Custom Extensions, Description, Detail Type, Group Line Detail, Id, Line Num Group Line Detail

Read an invoice: response body, field Invoice / Line / item / CustomExtensions, Description, DetailType, GroupLineDetail, Id, LineNum / GroupLineDetail. Complete fields and constraints for contract 2026-10-20.

API reference · Contract 2026-10-20

SDK schema: Read an invoice — response body — Invoice Line item Custom Extensions, Description, Detail Type, Group Line Detail, Id, Line Num Group Line Detail

FieldTypePresenceDescription and constraints
$objectRootAdditional keys: allowed
GroupItemRefModelOptionalExpand Read an item — response body — Item Class Ref
Reference to a group item for all the lines that belong to the bundle. Query the Item name list resource to determine the appropriate Item group object ( Item.Type=Group ) for this reference. Use Item.Id and Item.Name from that object for GroupItemRef.value and GroupItemRef.name , respectively.
LinearrayOptionalIndividual ItemLine elements that comprise a bundle. Returned in responses.
Line[]ModelEach itemExpand Read an invoice — response body — Invoice Line item Amount, Custom Extensions, Description, Detail Type, Id, Line Num, Sales Item Line Detail
QuantityJSONOptionalQuantity of the group item.
Decimal string
Quantity (anyOf 1)JSONAlternative
Quantity (anyOf 1) (anyOf 1)numberAlternative
Quantity (anyOf 1) (anyOf 2)stringAlternativePattern: ^-?[0-9]+(?:.[0-9]+)?(?:[eE][+-]?[0-9]+)?$
Quantity (anyOf 2)stringAlternative

Referenced models: Read an item — response body — Item Class Ref, Read an invoice — response body — Invoice Line item Amount, Custom Extensions, Description, Detail Type, Id, Line Num, Sales Item Line Detail

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