public sealed class DataSourceParameter : IMessage<DataSourceParameter>, IEquatable<DataSourceParameter>, IDeepCloneable<DataSourceParameter>, IBufferMessage, IMessage
Reference documentation and code samples for the Google BigQuery Data Transfer v1 API class DataSourceParameter.
A parameter used to define custom fields in a data source definition.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 of the \u003ccode\u003eDataSourceParameter\u003c/code\u003e class for the Google BigQuery Data Transfer v1 API is version 4.10.0, with previous versions available down to 3.1.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eDataSourceParameter\u003c/code\u003e is a class used to define custom fields in a data source definition for Google BigQuery data transfers.\u003c/p\u003e\n"],["\u003cp\u003eThis class implements multiple interfaces including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, enhancing its functionality and integration within the .NET ecosystem.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of the \u003ccode\u003eDataSourceParameter\u003c/code\u003e class include \u003ccode\u003eDisplayName\u003c/code\u003e, \u003ccode\u003eDescription\u003c/code\u003e, \u003ccode\u003eRequired\u003c/code\u003e, \u003ccode\u003eType\u003c/code\u003e, \u003ccode\u003eMinValue\u003c/code\u003e, \u003ccode\u003eMaxValue\u003c/code\u003e, and \u003ccode\u003eValidationRegex\u003c/code\u003e, enabling comprehensive customization and validation of data source parameters.\u003c/p\u003e\n"],["\u003cp\u003eThe class features methods such as \u003ccode\u003eDataSourceParameter()\u003c/code\u003e and \u003ccode\u003eDataSourceParameter(DataSourceParameter other)\u003c/code\u003e, for creating instances, as well as inherited methods like \u003ccode\u003eGetHashCode\u003c/code\u003e, \u003ccode\u003eGetType\u003c/code\u003e, and \u003ccode\u003eToString\u003c/code\u003e, for comprehensive object manipulation.\u003c/p\u003e\n"]]],[],null,["# Google BigQuery Data Transfer v1 API - Class DataSourceParameter (4.10.0)\n\nVersion latestkeyboard_arrow_down\n\n- [4.10.0 (latest)](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/latest/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.9.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.9.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.8.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.8.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.7.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.7.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.6.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.6.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.5.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.5.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.4.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.4.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.3.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.3.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.2.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.2.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.1.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.1.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [4.0.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/4.0.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [3.4.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/3.4.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [3.3.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/3.3.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [3.2.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/3.2.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter)\n- [3.1.0](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/3.1.0/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter) \n\n public sealed class DataSourceParameter : IMessage\u003cDataSourceParameter\u003e, IEquatable\u003cDataSourceParameter\u003e, IDeepCloneable\u003cDataSourceParameter\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Google BigQuery Data Transfer v1 API class DataSourceParameter.\n\nA parameter used to define custom fields in a data source definition. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e DataSourceParameter \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[DataSourceParameter](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/latest/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[DataSourceParameter](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/latest/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[DataSourceParameter](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/latest/Google.Cloud.BigQuery.DataTransfer.V1.DataSourceParameter), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.BigQuery.DataTransfer.V1](/dotnet/docs/reference/Google.Cloud.BigQuery.DataTransfer.V1/latest/Google.Cloud.BigQuery.DataTransfer.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.BigQuery.DataTransfer.V1.dll\n\nConstructors\n------------\n\n### DataSourceParameter()\n\n public DataSourceParameter()\n\n### DataSourceParameter(DataSourceParameter)\n\n public DataSourceParameter(DataSourceParameter other)\n\nProperties\n----------\n\n### AllowedValues\n\n public RepeatedField\u003cstring\u003e AllowedValues { get; }\n\nAll possible values for the parameter.\n\n### Deprecated\n\n public bool Deprecated { get; set; }\n\nIf true, it should not be used in new transfers, and it should not be\nvisible to users.\n\n### Description\n\n public string Description { get; set; }\n\nParameter description.\n\n### DisplayName\n\n public string DisplayName { get; set; }\n\nParameter display name in the user interface.\n\n### Fields\n\n public RepeatedField\u003cDataSourceParameter\u003e Fields { get; }\n\nDeprecated. This field has no effect.\n\n### Immutable\n\n public bool Immutable { get; set; }\n\nCannot be changed after initial creation.\n\n### MaxValue\n\n public double? MaxValue { get; set; }\n\nFor integer and double values specifies maximum allowed value.\n\n### MinValue\n\n public double? MinValue { get; set; }\n\nFor integer and double values specifies minimum allowed value.\n\n### ParamId\n\n public string ParamId { get; set; }\n\nParameter identifier.\n\n### Recurse\n\n public bool Recurse { get; set; }\n\nDeprecated. This field has no effect.\n\n### Repeated\n\n public bool Repeated { get; set; }\n\nDeprecated. This field has no effect.\n\n### Required\n\n public bool Required { get; set; }\n\nIs parameter required.\n\n### Type\n\n public DataSourceParameter.Types.Type Type { get; set; }\n\nParameter type.\n\n### ValidationDescription\n\n public string ValidationDescription { get; set; }\n\nDescription of the requirements for this field, in case the user input does\nnot fulfill the regex pattern or min/max values.\n\n### ValidationHelpUrl\n\n public string ValidationHelpUrl { get; set; }\n\nURL to a help document to further explain the naming requirements.\n\n### ValidationRegex\n\n public string ValidationRegex { get; set; }\n\nRegular expression which can be used for parameter validation."]]
