Hi, I'm new to jolt and am trying to remove null values from a nested json using jolt.    Example JSON: { "field1": { "subfield1": null }, "field2": { "subfield21": "528010000072312", "subfield22": null }, "field3": { "field31": null, "field32": null, "field33": { "field331": null, "field332": null } }, "field4": { "field41": null, "field42": "UNKNOWN", "field43": "NONE", "field44": { "field441": { "field4411": null, "field4412": null } } }, "field5": { "field51": null, "field52": { "field521": null, "field522": null }, "field53": { "field531": null, "field532": { "field5321": null }, "field533": { "field5331": "0" } } }     JOLT SPEC:   [ { "operation": "shift", "spec": { "field1": { "*": { "*": { "@1": "&3.&2" } } }, "field2": { "*": { "*": { "@1": "&3.&2" } } }, "field3": { "*": { "*": { "@1": "&3.&2" }, "field33": { "*": { "@1": "&3.&2" } } } }, "field4": { "*": { "*": { "@1": "&3.&2" }, "field44": { "field441": { "*": { "@1": "&3.&2" } } } } }, "field5": { "*": { "*": { "@1": "&3.&2" }, "field53": { "*": { "*": { "@1": "&3.&2" } } } } }, "*": { "*": { "@1": "&2" } } } }, { "operation": "modify-overwrite-beta", "spec": { "*": "=recursivelySquashNulls" } } ]     OUTPUT:   { "field2" : { "subfield21" : "528010000072312" }, "field3" : { "field33" : [ { }, { } ] }, "field4" : { "field42" : "UNKNOWN", "field43" : "NONE", "field44" : { "field441" : { } } }, "field5" : { "field52" : [ { }, { } ], "field53" : [ { "field532" : { }, "field533" : { "field5331" : "0" } }, { "field532" : { }, "field533" : { "field5331" : "0" } }, { "field532" : { }, "field533" : { "field5331" : "0" } } ] } }   EXPECTED OUTPUT: { "field2": { "subfield21": "528010000072312" }, "field4": { "field42": "UNKNOWN", "field43": "NONE" }, "field5": { "field53": { "field533": { "field5331": "0" } } }   QUESTIONS: 1. How can I completely remove an empty node in json using jolt? 2. Why is the values for "field5" being repeated? Would very much appreciate help with Jolt 🙂  ... View more