The Microsoft Information Protection (MIP) SDK for C++ allows developers to manage and apply data protection policies to data and other digital assets. For guidance on how to use it, see Microsoft Information Protection SDK documentation.

The MIP SDK for C++ reference includes the following classes:

Class	Description
AccessDeniedError	The user could not get access to the content. For example, no permissions, content revoked
Action	Interface for an action. Each action translates to a step that needs to be taken by the application to apply the label (as defined in the policy)
AddContentFooterAction	An action class that specifies adding a content footer to the document
AddContentHeaderAction	An action class that specifies adding content header
AddDynamicWatermarkAction	An action class that specifies adding watermark
AddWatermarkAction	An action class that specifies adding watermark
AdhocProtectionRequiredError	Adhoc protection should be set to complete the action on the file
ApplicationInfo	A struct that includes application specific information
ApplyLabelAction	Apply label actions requires the calling application to apply a specific label
AsyncControl	Class used to cancel async operation
AuditDelegate	A class that defines the interface to the MIP SDK audit notifications
AuditEvent	A single audit event
AuthDelegate	Delegate for auth related operations
OAuth2Challenge	Class that contains all the information required from the calling application in order to generate an oauth2 token
OAuth2Token	A class containing access token info provided by an application
BadInputError	Bad input error, thrown when the input to an SDK API is invalid
ClassificationRequest	Class that contains the request of a classification call on the Execution State
ClassificationResult	Class that contains the result of a classification call on the Execution State
ConsentDelegate	Delegate for consent related operations
ConsentDeniedError	An operation that required consent from user was not granted consent
ContentFormatNotSupportedError	Content Format is not supported
ContentLabel	Abstraction for a Microsoft Information Protection label that is applied to a piece of content, typically a document
CustomAction	CustomAction is a generic action class that captures all the sub-properties of the action as a property bag. The caller is responsible to understand the meaning of the action
CustomerKeyUnavailableError	Bring your own encryption key needed and unavailable
DelegateResponse	Template class to return delegate operation results
DelegateResponseBase	Base class for all DelegateResponse classes
DelegateResponseError	Delegate Response Error. Thrown or returned in response to encountering an error in a delegate method
DelegationLicense
DelegationLicenseSettings
DeprecatedApiError	Caller invoked a deprecated API
DetailedClassificationResult	Class that contains the result of a classification call on the Execution State
DiagnosticConfiguration	Custom diagnostic configurations (not commonly used)
DiagnosticDelegate	A class that defines the interface to the MIP SDK audit/telemetry notifications
DirectoryObject	The directory object information which includes- type, email, objectId and PUID
DirectoryObjectRights	The directory object and rights associated with it
DynamicWatermark	Representation of the dynamic watermark which the admin has configured for a label
EditableStream
Error	Base class for all errors that will be reported (thrown or returned) from MIP SDK
Event	A single audit/telemetry event
EventContext	A single audit/telemetry event context
EventProperty	A single audit/telemetry property
ExecutionState	Interface for all the state needed to execute the engine
ExtendedErrorInfo
FileEngine	This class provides an interface for all engine functions
Settings
FileExecutionState
FileHandler	Interface for all file handling functions
Observer	Observer interface for clients to get notifications events related to file handler
FileInspector
FileIOError	File IO error
FileProfile	FileProfile class is the root class for using the Microsoft Information Protection operations
Observer	Observer interface for clients to get notifications for profile related events
Settings	Settings used by FileProfile during its creation and throughout its lifetime
FileStatus	Interface for all file status functions
GetTemplatesSettings	Settings to use when obtaining templates
HttpDelegate	Interface for overriding HTTP handling
HttpOperation	Interface that describes a single HTTP operation, implemented by client app when overriding HttpDelegate
HttpRequest	Interface that describes a single HTTP request
HttpResponse	Interface that describes a single HTTP response, implemented by client app when overriding HttpDelegate
Identity	Abstraction for identity
InsufficientBufferError	Insufficient buffer error
InternalError	Internal error. This error is thrown when something unexpected happens during execution
JsonDelegate
JsonDocument	JsonDocument abstraction class
JsonValue
JustificationRequiredError
JustifyAction	Justify Action requires providing a justification to a label downgrade and setting the response in the execution state
Label	Abstraction for a single Microsoft Information Protection label
LabelDisabledError	Label is disabled or inactive
LabelInfo	Label information for a template or ad-hoc (custom) protection
LabelingOptions	Interface for configuring labeling options for the SetLabel/DeleteLabel methods
LabelNotFoundError	Label ID is not recognized
LicenseApplicationData	The application data from a license
LicenseConnectionInfo	The connection information from a license
LicenseDescriptor	The descriptor from a license
LicenseInfo	Representation of the dynamic watermark which the admin has configured for a label
LicenseNameAndDescriptionItem	The descriptor line item from a license
LicenseNotRegisteredError	License is not registered
LicenseRightsData	The rights related information of the publishing license
LoggerConfiguration	Configuration to use when default logging is enabled. This is set only once per process and any later change will be ignored
LoggerDelegate	A class that defines the interface to the MIP SDK logger
LogMessageData	A class that stores log messages
MetadataAction	An Action that adds metadata information to the content
MetadataEntry	An abstraction class for metadata entry
MetadataVersion	Interface for a MetadataVersion. MetadataVersion determines which metadata is active and how it is processed
MipConfiguration	Configuration used by MIP sdk during its creation and throughout its lifetime
MipContext	MipContext represents state that is shared across all profiles, engines, handlers
MsgAttachmentData
MsgInspector
NetworkError	Networking error. Caused by unexpected behavior when making network calls to service endpoints
NoAuthTokenError	The user could not get access to the content due to missing authentication token
NoPermissionsError	The user could not get access to the content. For example, no permissions, content revoked
NoPermissionsExtendedError	The user could not get access to the content due to extended Access checks like ABAC
NoPolicyError	Tenant policy is not configured for classification/labels
NotSupportedError	The operation requested by the application is not supported by the SDK
OperationCancelledError	Operation was cancelled
ParsedPublishingLicense
ParsedPublishingLicenseBuilder
PolicyEngine	This class provides an interface for all engine functions
Settings	Defines the settings associated with a PolicyEngine
PolicyHandler	This class provides an interface for all policy handler functions on a file
PolicyProfile	PolicyProfile class is the root class for using the Microsoft Information Protection operations. A typical application will only need one PolicyProfile but it can create multiple profiles if needed
Observer	Observer interface for clients to get notifications for profile related events
Settings	Settings used by PolicyProfile during its creation and throughout its lifetime
PrivilegedRequiredError	Current label was assigned as a privileged operation (The equivalent to an administrator operation), therefore it can't be overriden
ProtectAdhocAction	An action class that specifies adding adhoc protection to the document
ProtectAdhocDkAction	An action class that specifies adding adhoc double key protection to the document
ProtectByEncryptOnlyAction	An action class that specifies adding encrypt only protection to the document
ProtectByTemplateAction	An action class that specifies adding protection by template to the document
ProtectDoNotForwardAction	An action class that specifies adding do not forward protection to the document
ProtectDoNotForwardDkAction	An action class that specifies adding do not forward double key protection to the document
ProtectionCommonSettings	Settings to use for protection operations
ProtectionDescriptor	Description of protection associated with a piece of content
ProtectionDescriptorBuilder	Constructs a ProtectionDescriptor that describes protection associated with a piece of content
ProtectionEngine	Manages protection-related actions related to a specific identity
Observer	Interface that receives notifications related to ProtectionEngine
Settings	Settings used by ProtectionEngine during its creation and throughout its lifetime
ProtectionHandler	Manages protection-related actions for a specific protection configuration
ConsumptionSettings	Settings used to create a ProtectionHandler to consume existing content
Observer	Interface that receives notifications related to ProtectionHandler
PublishingSettings	Settings used to create a ProtectionHandler to protect new content
ProtectionProfile	ProtectionProfile is the root class for performing protection operations
Observer	Interface that receives notifications related to ProtectionProfile
Settings	Settings used by ProtectionProfile during its creation and throughout its lifetime
ProtectionSettings	Interface for configuring protection options for the SetLabel method
ProxyAuthenticationError	Proxy authentication failure
PublishingLicenseInfo	Holds the details of a Publishing License used to create a protection handler
PublishingUseLicenseRequest	Request for a use license in the publishing request
RecommendLabelAction	Recommend label actions is meant to suggest a label to the users. Suppressing this call after a user ignores the recommended label should be done through the supported actions on the execution state
RemoveContentFooterAction	An action class that specifies removing the content footer from the document
RemoveContentHeaderAction	An action class that specifies removing the content header from the document
RemoveDynamicWatermarkAction	An action class that specifies removing the watermarking from the document
RemoveProtectionAction	An action class that specifies removing protection from the document
RemoveWatermarkAction	An action class that specifies removing the watermarking from the document
SensitivityTypesRulePackage
ServiceDisabledError	The user could not get access to the content due to a service being disabled
StorageDelegate	A class that defines the interface to the MIP SDK storage for caching
StorageSettings	Settings used by StorageDelegate
StorageTable	A class that defines the interface to the MIP SDK storage table used for caching
Stream	A class that defines the interface between the MIP SDK and stream-based content
TaskDispatcherDelegate	A class that defines the interface to the MIP SDK task dispatcher
TelemetryDelegate	A class that defines the interface to the MIP SDK telemetry notifications
TelemetryEvent	A single telemetry event
TemplateArchivedError	Template ID is archived and unavailable for protection
TemplateDescriptor
TemplateNotFoundError	Template ID is not recognized by RMS service
TenantInformation	Tenant information from RMS
UniqueIdsAndContentFormats
UserRights	A group of users and the rights associated with them
UserRoles	A group of users and the roles associated with them