Data
Thedata
entry in the response will be the result of the execution of the requested operation. If the operation was a query, this output will be an object of the schema’s query root type; if the operation was a mutation, this output will be an object of the schema’s mutation root type.
If an error was encountered before execution begins, thedata
entry should not be present in the result.
If an error was encountered during the execution that prevented a valid response, thedata
entry in the response should benull
.