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Service Interfaces
Workflow Methods
IEquipment
IEquipment allows you to read from and write to the Equipment model.
DeleteClass (IEquipment)
Allows you to delete an equipment class.

Workflow IPI
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Service Interfaces
- Service Interfaces
- Workflow Methods
  - Workflow Methods
    Workflow provides a set of core service interfaces and call methods for you to use when creating a workflow. This section describes these core service interfaces and the associated call methods.
  - IArchiveManagement
    IArchiveManagement allows you to create an archive file and select the data to include.
  - IAuditTrail
    IAuditTrail allows you to write entries to the audit trail.
  - IDatabaseService
    IDatabaseService provides access to relational data, such as databases.
  - IDirectorySearch
    IDirectorySearch allows you to search the Directory of Resources for a set of resources based on a search query, or for a list of resources based on a resource class.
  - IEmailService
    You can use IEmailService to send emails as part of a workflow process.
  - IEquipment
    IEquipment allows you to read from and write to the Equipment model.
    - AddAspect (IEquipment)
      Allows you to add an aspect to an equipment instance or class.
    - AddClass (IEquipment)
      Allows you to add a class to an equipment instance.
    - AddPropertyAspect (IEquipment)
      Adds an aspect to an equipment instance or class property.
    - AddPropertyClass (IEquipment)
      Allows you to add a property of type Class to an equipment instance.
    - AddClassPropertyToClass (IEquipment)
      Allows you to add a property of type Class to an equipment class.
    - AddPropertyToClass (IEquipment)
      Allows you to add a property to an equipment class.
    - CreateClass (IEquipment)
      Allows you to create a new equipment class.
    - CreateEquipment (IEquipment)
      Creates a new equipment instance of a given type under the given parent.
    - DeleteClass (IEquipment)
      Allows you to delete an equipment class.
    - DeleteEquipment (IEquipment)
      Deletes an equipment instance.
    - GetAspectTypes (IEquipment)
      Returns the applicable and applied aspect types for an equipment instance or class.
    - GetClassProperties (IEquipment)
      Returns a list of properties defined by an equipment class.
    - GetDataSourceLink (IEquipment)
      Gets the current data source binding for a given equipment property.
    - GetEquipmentChildren (IEquipment)
      Returns a collection of all the child resources for the specified parent resource.
    - GetEquipmentParent (IEquipment)
      Returns the parent of the specified equipment resource.
    - GetPropertyAspectTypes (IEquipment)
      Returns the applicable and applied aspect types for an equipment instance or class property.
    - HasAspect (IEquipment)
      Checks whether an equipment instance or class has the specified aspect applied to it.
    - HasClass (IEquipment)
      Checks if a given instance has the given class.
    - HasPropertyAspect (IEquipment)
      Checks whether an equipment instance or class property has a specified aspect applied.
    - ReadClasses (IEquipment)
      Returns a list of classes associated with an equipment instance.
    - ReadEquipmentClassValues (IEquipment)
      Reads the values of a class property of a specific equipment instance.
    - ReadEquipmentValue (IEquipment)
      Reads the value of a single property or attribute of a specific equipment resource.
    - ReadEquipmentValues (IEquipment)
      Returns the values of all of the properties and attributes of a specific equipment resource.
    - ReadEquipmentValuesByName (IEquipment)
      Returns the values of named properties and attributes of a specific equipment resource.
    - ReadPropertyAttribute (IEquipment)
      Returns the value of an attribute of an equipment instance or class property.
    - ReadPropertyAttributes (IEquipment)
      Returns the values of all attributes of an equipment instance or class property.
    - ReadPropertyAttributesByName (IEquipment)
      Returns the attribute names of the specified equipment instance or class property.
    - RemoveAspect (IEquipment)
      Removes an aspect from an equipment instance or class.
    - RemoveClass (IEquipment)
      Removes a specified equipment class from an equipment instance.
    - RemovePropertyAspect (IEquipment)
      Removes an aspect from an equipment instance or class property.
    - RemovePropertyFromClass (IEquipment)
      Allows you to remove a property from an equipment class.
    - RemovePropertyFromEquipment (IEquipment)
      Allows you to remove a property from an equipment instance.
    - SetDataSourceLink (IEquipment)
      Sets a data source binding on a given equipment property.
    - WriteEquipmentValue (IEquipment)
      Writes the value to the Value attribute of the specified property of the selected equipment instance or class.
    - WritePropertyAttribute (IEquipment)
      Writes to an attribute of an equipment instance or class property.
  - IEquipmentConfig
    IEquipmentConfig provides methods for configuring the equipment model.
  - IEquipmentHistorian
    IEquipmentHistorian allows you to read from and write to Historian tags.
  - IEvent
    IEventManager allows you to read from the Event model and to create an event subscription for a specific event resource.
  - IExtensionData
    IExtensionData allows you to access temporary workflow data that was previously stored in a system repository. This stored data can be associated with both internal and external systems.
  - IITService
    IITService allows you to read from the Proficy System model.
  - ILicense
    The ILicense service method provides access to active licensing information.
  - IMaterial
    IMaterial allows you to read from and write to the Material model.
  - IOpcClient
    IOpcClient allows you to read from the OPC Client model.
  - IOpcUa
    IOpcUa allows you to read from the OPC UA model.
  - IPersonnel
    IPersonnel allows you to read from and write to the Personnel model.
  - IProductionModel
    IProductionModel allows you to read from or write to the Production model.
  - IProductionReport
    IProductionReport allows you to read from the Production model.
  - IProductionRuntime
    The IProductionRuntime service interface relates to production oversight.
  - IProficyHistorian
    IProficyHistorian allows you to manage Historian servers, including reading from and writing to Historian collectors and tags.
  - IPropertyGroup
    IPropertyGroup allows you to read from or write to the properties of a resource.
  - IResourceLinking
    IResourceLinking allows you to work with resource links for all types of resources. You can start, edit, end, and query links between resources in your system.
- iFix Service Provider
Operator Task List in the Workflow Client
Best Practices

DeleteClass (IEquipment)

Allows you to delete an equipment class.

On the activity configuration panel, you can use a bind or expression to define your input and output parameters.

Inputs	Data Type	Description
Equipment Class	DirectoryResource	Specifies the equipment class to delete.