Optional. When true, writes the Pub/Sub message metadata to
x-goog-pubsub-<KEY>:<VAL> headers of the HTTP request. Writes the
Pub/Sub message attributes to <KEY>:<VAL> headers of the HTTP request.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-16 UTC."],[],[]]