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+# API Listener
+
+
+<a name="overview"></a>
+## Overview
+
+### Api URL
+
+[Swagger UI](https://api-designer.sso.infra.ftgroup/swagger-ui/?url=https://api-designer.sso.infra.ftgroup/api/1.0/apis/aoG0EJ01Pv/swagger.json)
+
+
+[plant UML UI](https://plantuml.rd.francetelecom.fr/proxy?fmt=svg&src=https://api-designer.sso.infra.ftgroup/api/1.0/apis/aoG0EJ01Pv/plantuml&noCache=7322.0)
+
+Listener API has to be implemented on the client side in order to receive notification.
+Notification are received if HUB has been posted on server side.
+
+
+### Version information
+*Version* : 0.1.0_inProgress
+
+
+### URI scheme
+*Host* : serverRoot  
+*BasePath* : /externalapi/listener/v1  
+*Schemes* : HTTPS
+
+
+### Tags
+
+* Listener
+
+
+### Produces
+
+* `application/json;charset=utf-8`
+
+
+<a name="paths"></a>
+## Resources
+
+<a name="listener_resource"></a>
+### Listener
+
+<a name="listenercreate"></a>
+#### createEvent
+```
+POST /listener
+```
+
+
+##### Description
+The create event is used by the seller to trigger (POST) a notification to the buyer. The buyer has previously subscribed to receive notification
+
+Specific business errors for current operation will be encapsulated in
+
+HTTP Response 422 Unprocessable entity
+
+
+##### Parameters
+
+|Type|Name|Schema|
+|---|---|---|
+|**Body**|**event**  <br>*required*|[Listener](#listener)|
+
+
+##### Responses
+
+|HTTP Code|Description|Schema|
+|---|---|---|
+|**201**|Success|[Listener](#listener)|
+|**400**|Bad Request<br><br>List of supported error codes:<br>- 20: Invalid URL parameter value<br>- 21: Missing body<br>- 22: Invalid body<br>- 23: Missing body field<br>- 24: Invalid body field<br>- 25: Missing header<br>- 26: Invalid header value<br>- 27: Missing query-string parameter<br>- 28: Invalid query-string parameter value|[ErrorRepresentation](#errorrepresentation)|
+|**401**|Unauthorized<br><br>List of supported error codes:<br>- 40: Missing credentials<br>- 41: Invalid credentials<br>- 42: Expired credentials|[ErrorRepresentation](#errorrepresentation)|
+|**403**|Forbidden<br><br>List of supported error codes:<br>- 50: Access denied<br>- 51: Forbidden requester<br>- 52: Forbidden user<br>- 53: Too many requests|[ErrorRepresentation](#errorrepresentation)|
+|**422**|Unprocessable entity<br><br>Functional error|[ErrorRepresentation](#errorrepresentation)|
+|**500**|Internal Server Error<br><br>List of supported error codes:<br>- 1: Internal error|[ErrorRepresentation](#errorrepresentation)|
+|**503**|Service Unavailable<br><br>List of supported error codes:<br>- 5: The service is temporarily unavailable<br>- 6: Orange API is over capacity, retry later !|[ErrorRepresentation](#errorrepresentation)|
+
+
+##### Consumes
+
+* `application/json;charset=utf-8`
+
+
+##### Produces
+
+* `application/json;charset=utf-8`
+
+
+<a name="definitions"></a>
+## Definitions
+
+<a name="errorrepresentation"></a>
+### ErrorRepresentation
+
+|Name|Schema|
+|---|---|
+|**@schemaLocation**  <br>*optional*|string|
+|**@type**  <br>*optional*|string|
+|**code**  <br>*required*|integer (int32)|
+|**message**  <br>*optional*|string|
+|**reason**  <br>*optional*|string|
+|**referenceError**  <br>*optional*|string|
+|**status**  <br>*optional*|integer (int32)|
+
+
+<a name="eventtype"></a>
+### EventType
+*Type* : enum (ServiceOrderCreationNotification, ServiceOrderStateChangeNotification, ServiceOrderItemStateChangeNotification)
+
+
+<a name="listener"></a>
+### Listener
+An event will be triggered for each time a notification is send to a listener.
+
+
+|Name|Description|Schema|
+|---|---|---|
+|**event**  <br>*required*|An event representation is the payload of information send with the notification; it will feature event attributes + summary view of the resource.|object|
+|**eventDate**  <br>*required*||string (date-time)|
+|**eventId**  <br>*required*|id of the event|string|
+|**eventType**  <br>*required*||[EventType](#eventtype)|
+