Provides a service to get or set generic data mapped on keys. The scope of the data is the calling user: different calling users see different data.
Access to this service is restricted.

The following operations are supported. For a formal definition, please review the Service Description.

• GetData
  Retrieve the data associated to a specific key.
  

  Input message

  key	The key of the element to retrieve.

  Output message

  data	The data associated to the key.

• SetData
  Set generic data for a specific key.
  

  Input message

  key	The key of the element to add.
  data	The value of the element to add. Use an empty value to remove the data.