em:Alert

Notification of an incident or threat that may require a coordinated response or action. A type of NOTIFICATION.

Element information

Content

• Sequence [1..1]
  1. em:AlertEffectiveDateTime [0..*]    The effective time of the information of the alert message.
  2. em:AlertExpirationDateTime [0..*]    The expiry time of the information of the alert message. If this item is not provided, each recipient is free to set its own policy as to when the message is no longer in effect.
  3. em:AlertHeadlineText [0..*]    The text headline of the alert message. A brief human-readable headline. Note that some displays (for example, short messaging service devices) may only present this headline; it SHOULD be made as direct and actionable as possible while remaining short. 160 characters MAY be a useful target limit for headline length.
  4. em:AlertInstructionsDescriptionText [0..*]    The text describing the recommended action to be taken by recipients of the alert message. An extended human readable instruction to targeted recipients. If different instructions are intended for different recipients, they should be represented by use of multiple info blocks.
  5. Choice [0..*]
     from subst. group em:AlertHandling
     em:AlertHandlingIdentification    The code denoting the special handling of the alert message
     em:AlertHandlingText    The code denoting the special handling of the alert message.
  6. em:AlertReasonText [0..*]    The text describing the reason the alert message was distributed.

Attributes

Used in

• NIEM reference target from em:AlertReference

Sample instance

<em:Alert>
   <em:AlertEffectiveDateTime>
      <nc:Date>2000-01-01</nc:Date>
   </em:AlertEffectiveDateTime>
   <em:AlertExpirationDateTime>
      <nc:Date>2000-01-01</nc:Date>
   </em:AlertExpirationDateTime>
   <em:AlertHeadlineText>string</em:AlertHeadlineText>
   <em:AlertInstructionsDescriptionText>string</em:AlertInstructionsDescriptionText>
   <em:AlertHandlingIdentification>string</em:AlertHandlingIdentification>
   <em:AlertReasonText>string</em:AlertReasonText>
</em:Alert>