These days, I see quite a few posts that require using Counter in DataWeave. The problem faced is that users require a Sequence Number that is consistent throughout the different sections of data. Consider the below JSON:
JSON
xxxxxxxxxx
1
17
1
[{
2
"Item" : "ItemXYZ",
3
"SequenceNo" : 1,
4
"Parts": [
5
{ "Part" : "A1", "SequenceNo" : 2 }, { "Part" : "B1", "SequenceNo" : 3 },
6
{ "Part" : "A2", "SequenceNo" : 4 }, { "Part" : "B2", "SequenceNo" : 5 }
7
]
8
},
9
{
10
"Item" : "ItemRTY",
11
"SequenceNo" : 6,
12
"Parts": [
13
{ "Part" : "A1", "SequenceNo" : 7 }, { "Part" : "B1", "SequenceNo" : 8 },
14
{ "Part" : "A2", "SequenceNo" : 9 }, { "Part" : "B2", "SequenceNo" : 10 }
15
]
16
}
17
]
