opts = 
  SpreadsheetImportOptions with properties:

   Sheet Properties:
                        Sheet: ''

   Replacement Properties:
                  MissingRule: 'fill'
              ImportErrorRule: 'fill'

   Variable Import Properties: Set types by name using setvartype
                VariableNames: {'LastName', 'Gender', 'Age' ... and 7 more}
                VariableTypes: {'char', 'char', 'double' ... and 7 more}
        SelectedVariableNames: {'LastName', 'Gender', 'Age' ... and 7 more}
              VariableOptions: Show all 10 VariableOptions 
	Access VariableOptions sub-properties using setvaropts/getvaropts
           VariableNamingRule: 'modify'

   Range Properties:
                    DataRange: 'A2' (Start Cell)
           VariableNamesRange: 'A1'
                RowNamesRange: ''
           VariableUnitsRange: ''
    VariableDescriptionsRange: '' 
	To display a preview of the table, use preview

varOpts = 
  NumericVariableImportOptions with properties:

   Variable Properties:
                  Name: 'Systolic'
                  Type: 'double'
             FillValue: NaN
        TreatAsMissing: {}
             QuoteRule: 'remove'
              Prefixes: {}
              Suffixes: {}
        EmptyFieldRule: 'missing'

   Numeric Options:
     ExponentCharacter: 'eEdD'
      DecimalSeparator: '.'
    ThousandsSeparator: ''
        TrimNonNumeric: 0
          NumberSystem: 'decimal'