Defines the custom confidence value for given correlator.

Item Summary
Name	Type	Multiplicity	Description
expression	property ExpressionType	[0,1]	Expression providing the confidence value for the correlator.

Items
- expression
  
  Flags: RAM,runtime
  
  Multiplicity: [0,1]
  
  Expression providing the confidence value for the correlator. It should output a double precision value between 0 and 1, inclusive. If not specified, all candidate owners provided by the correlator have a confidence of 1. TODO describe the inputs