Try the Demo in the below URL
https://personal-pcshgkxq.outsystemscloud.com/FlattenJsonDemo/
Enter the below sample JSON and test to flatten and covert to array
{
"E00012222": {
"Age": 42,
"Gender": "Male",
"Joining Date": "01/01/2024"
},
"E00012223": {
"Gender": "Female",
"Joining Date": "07/01/2024"
"E00012226": {
"Age": 25,
"Joining Date": "01/05/2024"
}
do share feedback if any.