@samrathal , Is seems that "subtract" only works for integers and your value is a long. The longSubtract function only works if longs are passed as parameters and I don't know if there's a way to specify a long literal in Jolt (I tried 60L but that doesn't work). The following does a little bit more work but also achieves what you want: [
{
"operation": "modify-overwrite-beta",
"spec": {
"currenttime": "=toLong(${now():toNumber()})",
"minute": "=toLong(60)"
}
},
{
"operation": "modify-overwrite-beta",
"spec": {
"timeOneMinu": "=longSubtract(@(1,currenttime), @(1,minute))"
}
},
{
"operation": "remove",
"spec": {
"minute": ""
}
}
] Output: {
"currenttime": 1662417935173,
"timeOneMinu": 1662417935113
} Cheers, André
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