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Sign in to WSO2 API-M Management Console (https://<Server-Host>:9443/carbon) and select Browse under Resources.

Go to the /_system/governance/apimgt/applicationdata/workflow-extensions.xml resource, disable the Simple Workflow Executor, and enable WS Workflow Executor. In addition, specify the service endpoint where the workflow engine is hosted and the credentials required to access the said service via basic authentication (i.e., username/password based authentication).

Code Block

language	html/xml

<WorkFlowExtensions>
...
    <ApplicationCreation executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationCreationWSWorkflowExecutor">
         <Property name="serviceEndpoint">http://localhost:9765/services/ApplicationApprovalWorkFlowProcess/</Property>
         <Property name="username">admin</Property>
         <Property name="password">admin</Property>
         <Property name="callbackURL">https://localhost:8243/services/WorkflowCallbackService</Property>
    </ApplicationCreation>
... 
</WorkFlowExtensions>

Tip
All the workflow process services of the BPS run on port 9765 because you changed its default port (9763) with an offset of 2.

The application creation WS Workflow Executor is now engaged.

Note
When enabling the workflow features, make sure you import the certificate of the API Manager into the `client-truststore` located inside the `<BPS_HOME>/repository/resources/security` directory.

Go to the API Store, click Applications and create a new application.
It invokes the application creation process and creates a Human Task instance that holds the execution of the BPEL process until some action is performed on it.
Note that the Status field of the application states INACTIVE (Waiting for approval) if the BPEL is invoked correctly, indicating that the request is successfully submitted.
Sign in to the Admin Portal (https://localhost:9443/admin), list all the tasks for application creation and approve the task. It resumes the BPEL process and completes the application creation.

Go back to the Applications page in the WSO2 API Store and see the created application.

Whenever a user tries to create an application in the API Store, a request is sent to the workflow endpoint. A sample is shown below:

Code Block

language	html/xml

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wor="http://workflow.subscription.apimgt.carbon.wso2.org">
   <soapenv:Header />
   <soapenv:Body>
      <wor:createApplication xmlns:wor="http://workflow.application.apimgt.carbon.wso2.org">
         <wor:applicationName>application1</wor:applicationName>
         <wor:applicationTier>Gold</wor:applicationTier>
         <wor:applicationCallbackUrl>http://webapp/url</wor:applicationCallbackUrl>
         <wor:applicationDescription>Application 1</wor:applicationDescription>
         <wor:tenantDomain>wso2.com</wor:tenantDomain>
         <wor:userName>user1</wor:userName>
         <wor:workflowExternalRef>c0aad878-278c-4439-8d7e-712ee71d3f1c</wor:workflowExternalRef>
         <wor:callBackURL>https://localhost:8243/services/WorkflowCallbackService</wor:callBackURL>
      </wor:createApplication>
   </soapenv:Body>
</soapenv:Envelope>

Elements of the above configuration are described below:

Element	Description
applicationName	Name of the application the user creates.
applicationTier	Throttling tier of the application.
applicationCallbackUrl	When the OAuth2 Authorization Code grant type is applied, this is the endpoint on which the callback needs to happen after the user is authenticated. This is an attribute of the actual application registered on the API Store.
applicationDescription	Description of the application
tenantDomain	Tenant domain associated with the application (domain of the user creating the application).
userName	Username of the user creating the application.
`workflowExternalRef`	The unique reference against which a workflow is tracked. This needs to be sent back from the workflow engine to the API Manager at the time of workflow completion.
callBackURL

At the time of workflow completion, the workflow engine sends the workflow-completion request to this URL.

This property is configured

in

in the <callBackURL>

element in the api-manager

element in the workflow-extensions.xml registry file.

Versions Compared

Old Version 5

New Version 6

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