{
"input": {
"data" : [
{
"clientId": "1234",
"data": "Acme"
}
]
},
"spec": {
"*" : { // catch the data
"*": { // for all array elements
"@(&(1))": "CLIENTNAME" // match the key "data" based on what the key was two levels up
}
}
},
"expected": {
"CLIENTNAME" : "Acme"
}
}