[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eThis page details the \u003ccode\u003eDataMaskingPolicy.Types.PredefinedExpression\u003c/code\u003e enum within the BigQuery Data Policy v1beta1 API, specifically for .NET development.\u003c/p\u003e\n"],["\u003cp\u003eThe enum defines available masking rules for data, including replacing data with NULLs (\u003ccode\u003eAlwaysNull\u003c/code\u003e), default masking values (\u003ccode\u003eDefaultMaskingValue\u003c/code\u003e), or a SHA-256 hash (\u003ccode\u003eSha256\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eUnspecified\u003c/code\u003e field within the enum is the default and results in no data masking being applied.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation references version 1.0.0-beta04 as the latest, with version 1.0.0-beta03 also available for BigQuery data policies.\u003c/p\u003e\n"]]],[],null,["# BigQuery Data Policy v1beta1 API - Enum DataMaskingPolicy.Types.PredefinedExpression (1.0.0-beta04)\n\nVersion latestkeyboard_arrow_down\n\n- [1.0.0-beta04 (latest)](/dotnet/docs/reference/Google.Cloud.BigQuery.DataPolicies.V1Beta1/latest/Google.Cloud.BigQuery.DataPolicies.V1Beta1.DataMaskingPolicy.Types.PredefinedExpression)\n- [1.0.0-beta03](/dotnet/docs/reference/Google.Cloud.BigQuery.DataPolicies.V1Beta1/1.0.0-beta03/Google.Cloud.BigQuery.DataPolicies.V1Beta1.DataMaskingPolicy.Types.PredefinedExpression) \n\n public enum DataMaskingPolicy.Types.PredefinedExpression\n\nReference documentation and code samples for the BigQuery Data Policy v1beta1 API enum DataMaskingPolicy.Types.PredefinedExpression.\n\nThe available masking rules. Learn more here:\n\u003chttps://cloud.google.com/bigquery/docs/column-data-masking-intro#masking_options\u003e.\n\nNamespace\n---------\n\n[Google.Cloud.BigQuery.DataPolicies.V1Beta1](/dotnet/docs/reference/Google.Cloud.BigQuery.DataPolicies.V1Beta1/latest/Google.Cloud.BigQuery.DataPolicies.V1Beta1)\n\nAssembly\n--------\n\nGoogle.Cloud.BigQuery.DataPolicies.V1Beta1.dll"]]
