Return type for mutation.
The discount applied to a line item during this order edit.
The line item with the edits applied but not saved.
An order with the edits applied but not saved.
The list of errors that occurred from executing the mutation.
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Mutation with this payload
Adds a discount to a line item on the current order edit. For more information on how to use the GraphQL Admin API to edit an existing order, refer to Edit existing orders.
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