In the Customize Search tab page:

• Aspects of search tab such as the list type, hierarchy or selection, availability of advance search and so on can be configured.

• The search criteria types, dropdown, ranges, or free text are available for the configuration of advanced search fields

• The following operators are available:

  Operator Type	Operators
  Text or Hierarchy Field	Contains Starts with Ends with Equals Excludes Sounds like Is Null Is Not Null
  Normalized Text	Contains Starts with Ends with Equals Sounds like Is Null Is Not Null
  Integer or Real Field	= < <= > >= <> Is Null Is Not Null
  Boolean Field	True False Is Null Is Not Null