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{"updateMask": string,// Union field operation can be only one of the following:"create": {object (ExperimentArm)},"update": {object (ExperimentArm)},"remove": string// End of list of possible types for union field operation.}
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-06 UTC."],[[["This document describes the JSON representation of a single operation on an experiment arm within Google Ads."],["Operations include creating, updating, or removing an experiment arm, specified using the `operation` field."],["The `updateMask` field is used to specify which fields of the experiment arm should be modified during an update operation."],["Resource names are required for update and remove operations, following specific formats detailed in the table."]]],["The content details operations on an experiment arm, represented in JSON. Key actions include `create`, `update`, and `remove`. `Create` and `update` operations use an `ExperimentArm` object. `Remove` utilizes a resource name string. An `updateMask` string specifies which fields are modified during an update. Only one of these three operations can be performed at a time. Each operation uses different types of objects.\n"]]
