TODO

Item Summary
Name	Type	Multiplicity	Description
expression	property ExpressionType	[0,1]	An expression providing tag value for given shadow (found on a resource).
outbound	container MappingType	[0,1]	An outbound mapping that provides a value (or values) for the shadow tag when assigned resource object construction is evaluated.

Items
- expression
  
  Flags: RAM,runtime
  
  Multiplicity: [0,1]
  
  An expression providing tag value for given shadow (found on a resource). Expects $shadow ($projection) variable containing the shadowed resource object.
- outbound
  
  Flags: RAM,runtime
  
  Multiplicity: [0,1]
  
  An outbound mapping that provides a value (or values) for the shadow tag when assigned resource object construction is evaluated. Expects $focus variable as well as assignment path-related ones.