Web Service Reference
The following section provides an overview, and describes the service operations and data types, of the Workflow web service included with Nintex Workflow 2013.
The Workflow web service provides administrative functionality for Nintex Workflow 2013. You can perform many of the functions normally managed for NintexWorkflow 2013 through SharePoint Central Administration and the Workflow designer, including:
Exporting, saving, and publishing workflows
Starting and terminating workflows
Retrieving information about running workflow tasks
Processing and delegating task responses for workflow tasks, including Flexi task tasks.
Retrieving workflow history for workflows
The following URL represents the service endpoint for the Workflow web service, where <site> represents the SharePoint site used to establish context for the service operations provided by the endpoint.
The value specified for <site> is important, in that it both defines and limits the execution context of the service operations for the Workflow web service. For example, if you want to export a site workflow associated with the SharePoint site collection, you must specify the root URL of the site collection in <site>.
You can use any invocation method supported by Simple Object Access Protocol (SOAP) 1.2 to invoke the service operations provided by the Workflow web service. For example, you can generate a Windows Communication Foundation (WCF) client in Visual Studio, which in turn can be used to create a WCF client channel and communicate with the service operations provided by the Workflow web service, or you can add a service reference to the service endpoint for the Workflow web service in a Visual Studio project, which automatically generates a WCF client that you can use to access the Workflow web service.
A detailed discussion of SOAP invocation and WCF client implementation is beyond the scope of this document. However you can find a code sample and basic implementation of a WCF client that communicates with the Nintex Workflow endpoints, at Export and publish a workflow with the Nintex Workflow SOAP Web Service.
For more information about WCF client implementation in Visual Studio, see Windows Communication Foundation Services and WCF Data Services in Visual Studio, on Microsoft Developer Network.
The examples provided for each service operation represent the SOAP envelope for each request and response, in its native XML structure, for the purposes of readability.
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