A per-request tag which can be applied to queries or reads, used for
statistics collection.
Both request_tag and transaction_tag can be specified for a read or query
that belongs to a transaction.
This field is ignored for requests where it's not applicable (e.g.
CommitRequest).
request_tag must be a valid identifier of the form:
[a-zA-Z][a-zA-Z0-9_\-] between 2 and 64 characters in length
A tag used for statistics collection about this transaction.
Both request_tag and transaction_tag can be specified for a read or query
that belongs to a transaction.
The value of transaction_tag should be the same for all requests belonging
to the same transaction.
If this request doesn’t belong to any transaction, transaction_tag will be
ignored.
transaction_tag must be a valid identifier of the format:
[a-zA-Z][a-zA-Z0-9_\-]{0,49}
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version available is 5.0.0-beta05, and there are multiple prior versions listed, including stable releases like 4.6.0 down to 3.7.0 and earlier versions, up to 3.5.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eRequestOptions\u003c/code\u003e is a class used for common request options in various APIs, implementing interfaces like \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, and it inherits from \u003ccode\u003eObject\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRequestOptions\u003c/code\u003e class has a default constructor and one that takes another \u003ccode\u003eRequestOptions\u003c/code\u003e object as a parameter, allowing for easy creation and duplication.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRequestOptions\u003c/code\u003e class contains properties like \u003ccode\u003ePriority\u003c/code\u003e, \u003ccode\u003eRequestTag\u003c/code\u003e, and \u003ccode\u003eTransactionTag\u003c/code\u003e, which allow for setting request priority and applying tags for statistics collection.\u003c/p\u003e\n"],["\u003cp\u003eThis class uses the \u003ccode\u003eGoogle.Cloud.Spanner.V1\u003c/code\u003e namespace and the \u003ccode\u003eGoogle.Cloud.Spanner.V1.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"]]],[],null,[]]
