Name: badge-capture-note
Type: request
Purpose: >
  Record the capturing of a badge when entering or leaving a session
Response: badge-capture-confirmation
Inherits: message
Elements:
  Signature: { required: true }
  From: { required: true }
  Event-Id: { required: true, type: identifier, class: event }
  Badge-Code: { required: true, type: string, min_length: 3, max_length: 16 }
  Direction: { required: true, type: string, min_length: 2, max_length: 6 }
  Session-Id: { type: string, min_length: 3, max_length: 32 }
  Ignore-Conflict: { type: boolean }
Rejection-Codes:
  22: Event does not exist
  23: Invalid value for Direction element
  31: Sender is not authorized to invalidate badges
  41: Badge does not exist
  42: Badge has been invalidated
  43: Badge has already been recorded for this session
  44: Badge has already been recorded for another session
  45: Badge has not been recorded for this session