--- sourceDocument: Brazil API Reference sourceDocumentLink: https://www.servicenow.com/docs/r/api-reference Release : - brazil ft:locale : - en-US ft:publication_title : - Brazil API Reference ft:clusterId : - crapiref bundleId : - crapiref workflow : - Creator --- # Mobile SDK - iOS # Mobile SDK - iOS {#ariaid-title1} Release version: Brazil Updated September 10, 2026 ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read The Mobile SDK for iOS provides the classes necessary to interface iOS-based devices with the ServiceNow platform. * **[FetchConfiguration structure - iOS](https://www.servicenow.com/docs/EPw2NVD7m88NNxVhQSDYeA#FetchConfigiOSStructure)** The FetchConfiguration structure provides the ability to define the configuration for fetching records from your ServiceNow instance. * **[FieldReadConfiguration structure - iOS](https://www.servicenow.com/docs/r3PkhTzqysQzkCFlLIrbYA#FieldReadConfigurationiOSStruct)** The FieldReadConfiguration structure enables you to configure which fields to fetch from a ServiceNow instance table and in which format. * **[FieldWriteOptions class - iOS](https://www.servicenow.com/docs/WldAUCz01x4S4h4QjAA_JQ#FieldWriteOptionsiOSStruct)** The FieldWriteOptions class provides functions that set the options for updating or creating fields in a record on a ServiceNow instance. * **[Filter structure - iOS](https://www.servicenow.com/docs/jmVab4f7H0Ed0I5dx7skQA#FilteriOSStructure)** The Filter structure provides the ability to configure filters that define the data to return in the return results of a REST endpoint query. * **[NowAPIEndpoint protocol - iOS](https://www.servicenow.com/docs/Pd~BWnUH4znFSn9Rs860Hw#NowAPIEndpointiOSProtocol)** The NowAPIEndpoint protocol provides an interface for accessing any publicly exposed ServiceNow REST APIs. * **[NowAPIService class - iOS](https://www.servicenow.com/docs/l5ghJ3GF9vFbm2Do2HIfwg#NowAPIServiceiOSAPI)** The NowAPIService class provides functions that enable you to perform requests to a specified ServiceNow REST API. * **[NowAttachment structure - iOS](https://www.servicenow.com/docs/fiunB3ZPP~SIRUoXlvj7VQ#NowAttachmentiOSStructure)** The NowAttachment structure provides functions that enable you to validate attachments by comparing their computed hash. * **[NowAttachmentMetadata structure - iOS](https://www.servicenow.com/docs/NZDoe3z5rOkoP0~w2OykmA#NowAttachmentMetadataiOSStructure)** The NowAttachmentMetadata structure provides functions that enable you to encode and manage attachment metadata. * **[NowAttachmentService class - iOS](https://www.servicenow.com/docs/SWFAWW4gWIi3sMV8AjbIdg#NowAttachmentServiceiOSAPI)** The NowAttachmentService class provides functions that enable you to upload and query attachments that are associated with records within a table on a ServiceNow instance. * **[NowAttachmentUploadConfiguration structure - iOS](https://www.servicenow.com/docs/QZiThia5JZSgnbENiKBLHw#NowAttachUploadConfigiOSStruct)** The NowAttachmentUploadConfiguration structure enables you to define the configuration information for an attachment that you are uploading to your ServiceNow instance. * **[NowChat API - iOS](https://www.servicenow.com/docs/5mN491eqvCN~1Eo5lS3rUg#NowChatiOSAPI)** The NowChat API is a top-level global API that enables users to instantiate a NowChat service instance. * **[NowChatColoring protocol - iOS](https://www.servicenow.com/docs/hOKHMfMboniueJW4qSvZhA#NowChatColoringiOSProtocol)** The NowChatColoring protocol defines default colors for the elements in the Live Agent and Virtual Agent chat UI. * **[NowChatConfiguration class - iOS](https://www.servicenow.com/docs/eKWUkoLioVdYwLec41s5Qw#NowChatOptionsiOS)** Configures options on a chat session. * **[NowChatService class - iOS](https://www.servicenow.com/docs/kcV3eVFB9sXog6a46HmHhw#NowChatServiceiOSAPI)** The NowChatService class provides Virtual and Live Agent chat capabilities. * **[NowChatServiceDelegate protocol - iOS](https://www.servicenow.com/docs/oVJYAO~MhKLVD7avOZCSwA#NowChatServiceDelegateiOSProtocol)** The NowChatServiceDelegate protocol provides callbacks for notification of actions within the NowChatService such as a request to open a URL or dismiss the chat view controller. * **[NowChatThemeable protocol - iOS](https://www.servicenow.com/docs/C_7tnN6iMURRCQJnS~x2EA)** The NowChatThemeable protocol provides properties that enable you to override the colors used within chat pages hosted on your ServiceNow instance. * **[NowCoreService class - iOS](https://www.servicenow.com/docs/blcJgaLLkasYcw~~2PCgUg#NowCoreServiceiOSAPI)** The NowCoreService class provides fundamental services to the various SDK feature services. This class should only be instantiated by NowSDK. * **[NowData framework - iOS](https://www.servicenow.com/docs/jQXurTy7s6ak2gfuybrCfQ#NowDataAPIiOS)** The NowData framework contains methods that enable the instantiation of NowData services, such as NowGraphQLService, NowTableService, NowAPIService (for custom APIs), and NowAttachmentService. * **[NowGraphQLService class - iOS](https://www.servicenow.com/docs/L0fffZkUsZxIWYI0Gnr_KA#NowGraphQLServiceiOSAPI)** The NowGraphQLService class provides functions that enable you to make requests using GraphQL queries against data on your ServiceNow instance through its GraphQL REST API. * **[NowLoggingService class - iOS](https://www.servicenow.com/docs/5_YAsYnq5~VojrzyoTGYpg#NowLoggingServiceiOSAPI)** The NowLoggingService class provides functions that provide logging capabilities to feature services with the NowSDK. * **[NowPush API - iOS](https://www.servicenow.com/docs/VSwmlm82ci5Fz~Gl9mZeBQ#NowPushiOSAPI)** The NowPush API is a top-level global API that enables users to instantiate a NowPush service instance. * **[NowPushPayload protocol](https://www.servicenow.com/docs/wST3l2soXB1Chwt57vFu7A#NowPushPayloadiOSProtocol)** NowPushPayload is a generic protocol you can use to define a push notification protocol within the `NowSDK` framework. * **[NowPushService class - iOS](https://www.servicenow.com/docs/mNYkA7dXREguKwXtal3e_Q#NowPushServiceiOSAPI)** The NowPushService class provides functions that enable interaction with the Push Notification service. * **[NowRecord class - iOS](https://www.servicenow.com/docs/flBW8tUJ751KxE9GiE8DHw#NowRecordiOSAPI)** The NowRecord class defines a model that represents a record in a table on a ServiceNow instance. * **[NowSDK framework - iOS](https://www.servicenow.com/docs/SJngQSynfL2n~hYF3TEDkQ#NowSDKAPIiOS)** The NowSDK framework contains methods that enable the instantiation of various feature services. * **[NowSDKConfiguration class - iOS](https://www.servicenow.com/docs/SwzPvcPrVG11gnWhc7ijmw#NowSDKConfigurationiOSAPI)** The NowSDKConfiguration class contains configuration information needed to initialize the NowSDK. * **[NowService protocol - iOS](https://www.servicenow.com/docs/xbqxQJNEzfGqJkwCt3~llw#NowServiceiOSProtocol)** The NowService protocol provides a single interface to the NowSDK for all feature services. It defines the configuration parameters needed to access your ServiceNow instance. * **[NowServiceConfiguration structure - iOS](https://www.servicenow.com/docs/YBirduMlTEwHMY7kR6ToWQ#NowServiceConfigurationiOSStruct)** The NowServiceConfiguration structure defines configuration information for a feature service. * **[NowTableService class - iOS](https://www.servicenow.com/docs/qwWyvYUwP4piaD9P8U5Oww#NowTableServiceiOSAPI)** The NowTableService class provides functions that enable you to perform create, read, update, and delete operations on records of existing ServiceNow tables. * **[NowVoice API - iOS](https://www.servicenow.com/docs/F6_BjskdNn58vzUyzX0QTw#NowVoiceiOSAPI)** NowVoice is a top-level global API for embedding voice agent sessions in iOS applications. * **[NowVoiceCallbacks structure - iOS](https://www.servicenow.com/docs/jHrzeKOAFDgAHRbbmDxQ1A#NowVoiceCallbacksiOSStruct)** Specifies callbacks for voice session lifecycle and content events. * **[NowVoiceDefaultTheme structure - iOS](https://www.servicenow.com/docs/xi6hktSlm7fTyRutoJqPEQ#NVoiceDefThemeiOSStruct)** The default implementation of NowVoiceThemeable. * **[NowVoiceEndpoint structure - iOS](https://www.servicenow.com/docs/elTWHA1AwdocQBP7jnsGzQ)** Describes a voice agent endpoint. * **[NowVoiceService class - iOS](https://www.servicenow.com/docs/Ygirpx~VXSYGC_y1jxtY8w#NowVoiceServiceiOSAPI)** The NowVoiceService class manages voice agent sessions for a single ServiceNow instance. * **[NowVoiceThemeable protocol - iOS](https://www.servicenow.com/docs/dqo1moTixfD7EUIEY_8~ZQ)** Sets the colors to apply to NowVoice UI elements. * **[NowVoiceTranscriptMessage typealias - iOS](https://www.servicenow.com/docs/pVxeNQ_Yx2P0ztVO6QUkEw)** Represents a single message in the voice session transcript. * **[NowVoiceUIConfiguration structure - iOS](https://www.servicenow.com/docs/1LJtGwkZHrPBpLZpjM8dDw#NowVoiceUIConfigiOSStruct)** Specifies presentation options for the voice agent UI. * **[NowWeb API - iOS](https://www.servicenow.com/docs/R2tRtZn2RNjamX1uWbNGwQ#NowWebiOSAPI)** The NowWeb API is a top-level global API that enables uses to instantiate a NowWeb service instance. * **[NowWebColoring protocol - iOS](https://www.servicenow.com/docs/ohP5gaPrisYoLOvn49YfCg)** The NowWebColoring protocol provides default values for the colors used within web pages hosted on your ServiceNow instance in a native web view. * **[NowWebService class - iOS](https://www.servicenow.com/docs/HVrgoec9bkMplCembLTL8A#NowWebServiceiOSAPI)** The NowWebService class provides functions that enable the browsing of web pages on a ServiceNow instance. * **[NowWebThemeable protocol - iOS](https://www.servicenow.com/docs/qaAKiTxwt~IyntESObOpOw)** The NowWebThemeable protocol provides properties that enable you to override the colors used within web pages hosted on your ServiceNow instance in a native web view. * **[NowWebViewController class - iOS](https://www.servicenow.com/docs/TFsPttyq4xEY0hQ4EZGUCA#NWebViewControlleriOSAPI)** The NowWebViewController class provides functions that enable you to manage a web viewer. * **[NowWebViewControllerDelegate protocol - iOS](https://www.servicenow.com/docs/kCtngzVbN8KuF8bWlpFLPg#NWViewControllerDelegateiOSProtocol)** The NowWebViewControllerDelegate protocol provides callbacks for notification of issues within the NowWebViewController processing such as when a flow ends or a navigation fails. * **[Paginator API - iOS](https://www.servicenow.com/docs/HuGdKhiHGQi6~9qltexBXw#PaginatorIOSAPI)** The Paginator class provides methods for iterating through a record set returned by a call to the ServiceNow Table API through the NowTableService. It is the object that is returned by the NowTableService paginator() methods. Do not call this method outside of that environment.