Default date

[keshavwork]

scope.form = [
{
"key": "birthDate",
"minDate": "1995-09-01",
"maxDate": new Date(),
"format": "yyyy-mm-dd"
}
]

above example is there any possible to pass the default today date.
like
scope.form = [
{
"key": "birthDate",
"minDate": "1995-09-01",
"maxDate": new Date(),
"format": "yyyy-mm-dd"
"default":new Date()
}
]