!define HASH (!{first:Bob, last name:Martin})

http://fitnesse.org/FitNesse.UserGuide.MarkupHashTable
'''simple usage'''
|script|
|eval|$name=${HASH}|
|check|eval|$name.first|Bob|
|check|eval|$name['last name']|Martin|

'''In scenario'''
!|scenario|FirstNameShouldBeBob|hash|
|check|eval|@hash.first|Bob|

|script|
|First Name Should Be Bob|${HASH}|

'''Inside function'''
|script|
|eval|function getFirstname($hash){$hash.first}|
|check|eval|getFirstname(${HASH})|Bob|

'''Through Fitnesse Symbol'''
|script|
|$nameAsSymbol=|eval|${HASH}|
|check|eval|$nameAsSymbol.first|Bob|
|check|eval|$nameAsSymbol['last name']|Martin|