SilverStripe\MultiForm\Models\MultiFormStep::copyValueFromOtherStep
allows to get a value from another step copied over
Signature
public function copyValueFromOtherStep(FieldList
$fields,
string
$formStep,
string
$fieldName,
[string
$fieldNameTarget = NULL] )
Parameters
$fields
— SilverStripe\Forms\FieldList
$formStep
— string$fieldName
— string$fieldNameTarget
— string- (optional)