anchor.diff:  # Group Events
   
   Events are used to track stack creation initiated by cloudbreak users.
  -
  -##  Create events [/events]
  -### Register an event [POST]
  -
  -+ Request
  +Events are generated by the backend when resources requested by the user become available or unavailable
  +
  +
  +## Retrieve events [/events{?since}]
  +Retrieve events for the authenticated user.
  +
  ++ Parameters
  +    + since (optional, string) ... Timestamp indicating the time the events will be returned from
  +
  ++ Model (application/json)
  +
  +    JSON representation of the event
   
       + Headers
   
  
positive.code:                "blueprint":"lambda",
              }
  
  + Response 200 (application/json)
  
          {
            "eventId":1
          }
  
  
  ## Retrieve events [/events{?since}]
  Retrieve events for the authenticated user
  
  + Parameters
      + since (optional, string) ... Timestamp
  
  + Model (application/json)
  
      JSON representation of the event
  
      + Headers
  
              x-auth-token: user:c45sdfdsfo234jgkhsdgf324
  
      + Body
  
              {
                 "eventTimestamp":"1409929066 ",
                 "eventType":"STACK_STARTED"
                 "userName":"John Doe",
                 "userId":14,
                 "accountName":"Company gmbh."
                 "accountId":5
                 "eventDescription":"Stack Started",
                 "cloud":"AWS",
                 "region":"eu-west-1",
                 "vmType":"xlarge",
                 "blueprint":"lambda",
              }
  
  ### Retrieve events [GET]
  
  + Response 200
  
      [Retrieve events][]
  
  # Group Usage
  
  Usage resources provide insights into user activities.
  
  
  ## Retrieve account usage [/account/usage{?since,cloud,zone,vmtype,hours,account,user,blueprint}]
  
  Retrieves usage information for the account of the authenticated user (administrators only)
  
  + Parameters
      + since (optional, string) ... Timestamp
      + cloud (optional, string) ... The cloud provider
      + zone (optional, string) ... the region
      + vmtype (optional, string) ... the instance type
      + hours (optional, integer) ... running hours
      + account (optional, long) ... account identifier
      + user (optional, long) ... user identifier
      + blueprint (optional, long) ... blueprint identifier
  
negative.code: 
              {
                 "eventTimestamp":"1409929066 ",
                 "eventType":"STACK_STARTED",
                 "eventMessage:"Stack started",
                 "userName":"John Doe",
                 "userId":14,
                 "accountName":"Company gmbh."
  