Workflow WCF services

K2 provides a Windows Communication Foundation (WCF)-based service that utilizes SOAP-based messaging to interact with a workflow from custom .NET applications. This allows developers to interact with a workflow at runtime through a web service without requiring a reference to any SourceCode client .dlls.

The WCF services are normally used in custom .NET code in solutions that have some server-side processing (such as ASP.NET applications) or applications that run on some flavor of the .NET framework. This service supports both SOAP and ATOM formats, and can be configured to be accessible though HTTP, HTTPS or both.

For authentication, the service supports all standard and custom K2 security providers.

The WCF service is configured by editing the web.config file for the K2 Services website (by default this file is located at [Program Files]\K2 blackpearl\WebServices\K2Services\web.config). Various configuration options will determine which service endpoints will be available and the security mechanism that will be used to authenticate users.

There are two implementations of the WCF service: the standard service allows for common workflow interaction like starting a workflow, retrieving a worklist and completing tasks, while the Sync-version of the service is a lighter-weight implementation intended for lightweight client applications such as Smartphone apps and batch processing of multiple tasks at once.

See the topic WCF Services for additional reference and configuration information for the Workflow WCF Services

See the topic Workflow WCF Services Samples for code samples illustrating how to use the WCF Services.

The services are available from the K2 Workspace server (which may or may not be the same as the K2 server, depending on how your K2 environment was installed), and are accessed through URLs similar to the following: