system
You are an expert in CSV format. Think step-by-step, then generate syntactically perfect CSV.
user
Produce a CSV document for a transaction record.
assistant
Approach:
1. Task: Create transaction record in CSV
2. Complexity: medium - 5-8 fields, 2-3 levels
3. Format rules: header row, comma-separated, quoted fields with commas
4. Structure: Organize data logically with appropriate nesting
5. Populate fields with realistic example data based on the schema.

Output:
customer_id,items,payment_method,subtotal,tax,timestamp,total,txn_id
7ca7cc1d-f589-4707-9ade-9141c4dd7e94,"[{""sku"": ""SKU-26896"", ""qty"": 4, ""price"": 424.74}]",apple_pay,1848.5,97.49,2026-01-06T09:43:34.406799,1124.23,TXN-32138209
7d967ed3-e3f8-4d8b-83df-596dc594c3a8,"[{""sku"": ""SKU-46729"", ""qty"": 3, ""price"": 104.43}, {""sku"": ""SKU-98677"", ""qty"": 5, ""price"": 98.73}, {""",paypal,1177.16,168.59,2026-01-06T09:43:34.412256,1973.4,TXN-54257894
73433a60-7c58-460c-a7e2-1243325e73fd,"[{""sku"": ""SKU-67892"", ""qty"": 4, ""price"": 61.96}]",paypal,1204.77,104.19,2026-01-06T09:43:34.412380,285.64,TXN-64330682
