The previous revision of the Memory before the action was performed. This field is only set if the action is UPDATED or DELETED. You can use this to rollback the Memory to the previous revision, undoing the action. Format: projects/{project}/locations/{location}/reasoningEngines/{reasoning_engine}/memories/{memory}/revisions/{revision}
[[["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 2026-10-21 UTC."],[],[]]