outputformatter.xml

<eventFormatter xmlns="http://wso2.org/carbon/eventformatter" name="gpsOutputEventFormatter" statistics="enable" trace="enable">
   <from streamName="isWithinOutputStream" version="1.0.0" />
   <mapping customMapping="enable" type="json">
      <inline>
        {
          "type": "Feature",
          "geometry": {
              "type": "Point",
              "coordinates": [
                  {{lattitude}},
                  {{longitude}}
              ]
          },
          "properties": {
              "timeStamp": "{{correlation_timeStamp}}",
              "deviceid": "{{deviceId}}",
              "iswithin": {{iswithin}}
          }
        }
      </inline>
   </mapping>
   <to eventAdaptorName="HttpEventAdaptor" eventAdaptorType="http">
      <property name="http.username" />
      <property name="http.password" />
      <property name="http.headers" />
      <property name="http.url">http://localhost:9764/geo-portal/geo/cep</property>
   </to>
</eventFormatter>