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1. Create a BPMN process and a BPMN diagram. For instructions, see Creating a BPMN Process.
2. Drag and drop a REST Task from the tools palette in the place where you need to invoke the endpoint. 
   
3. Go to the Properties panel of the REST Task and select the Main config tab. 

4. Enter values for the following fields appropriately, as shown in the example below.

   Field Name	String Value	Required/Optional
   Service URL	URL of the target endpoint	Optional Tip You can give this instead of the Service Reference (EPR).	Required
   BasicAuth Username	Username if the endpoints are secured	Required
   BasicAuth Password	Password for the username above	Required
   Service Reference (EPR)	Registry resource path of the endpoint reference	Optional Tip You can give this instead of the Service Reference (EPR). Optional
   HTTP Method	HTTP method (GET. POST, PUT or DELETE)	Required
   Input Payload	Request payload	Optional
   Output Variable name	Name of the variable to save the response	Optional
   Output Variable Mappings	Variable mappings to map JSON response content into multiple variables .  Code Block language java var2:customer.name,var3:item.price	Optional
   Transport headers	Header values in the format Code Block language js {"headerName1":"headerValue1","headerName2":"header Value2"}	Optional

   

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