set aTestName "caf100-R1"
puts ${aTestName}

# Set a variables
set aV1Label 0:1:1
set aV2Label 0:1:2
set aV3Label 0:1:3

Label D ${aV1Label}
Label D ${aV2Label}
Label D ${aV3Label}

SetVariable D ${aV1Label} 1 "N"
SetVariable D ${aV2Label} 0 "kg"
SetVariable D ${aV3Label} 0 "µ/s²"

# Set an expression
set expression "f = m*a"

# Set a relation
set aRLabel 0:1:13
Label D ${aRLabel}
SetRelation D ${aRLabel} $expression $aV1Label $aV2Label $aV3Label

# Save a result for check after retrieval
set dump_before [DumpRelation D ${aRLabel}]

# Save the document
set aFile $WorkDirectory/${aTestName}.${FileSuffix}

SaveToFile D $aFile

# Restore the document
Close D
Open ${aFile} DD

# Get a variable from the label
set IsDone [catch {set dump_after [DumpRelation DD ${aRLabel}]} aResult]
if { ${IsDone} != 0 } {
    puts "Error : Get a value of TDataStd_Relation attribute from restoring document"
} else {

    if { ${dump_after} != ${dump_before} } {
	puts "Error : Get a value of TDataStd_Relation attribute from restoring document"
    }
}