NICE CXone Data Action CSV export payload throws 422 on buffer limit

Problem
PureCloudPlatformClientV2 handles the token refresh, but the Go REST call drops when I construct the CSV formatting payload. The dataset ID reference works, yet the delimiter configuration matrix breaks the quote escaping directives. Maximum row count limits trigger buffer exhaustion failures during the atomic POST operation. Format verification can’t catch the automatic column alignment triggers early enough.

Code

payload := map[string]interface{}{
 "datasetId": "ds_8842",
 "formatConfig": map[string]interface{}{
 "delimiter": "|",
 "quoteEscape": true,
 "maxRows": 75000,
 "autoAlignColumns": true,
 },
}
req, _ := http.NewRequest("POST", "https://api.nice.com/niceicm/api/v1/data-actions/exports/csv", bytes.NewBuffer(jsonData))

Error
HTTP 422: {"code": "SCHEMA_VALIDATION_FAILED", "message": "Data type casting check blocked special character sanitization verification pipeline. Buffer exhausted."}

Question
How do I adjust the formatting validation logic to pass the data type casting checks? The special character sanitization verification pipeline blocks clean data handoff during action scaling. Callback handlers need to sync with the external warehouse while tracking export completion rates. Audit logs show the latency spike. Need the exact JSON shape for the CSV formatter.

The 422 usually hits when maxRows exceeds the gateway threshold or the columnHeaders array misses a required fieldRef. You’ll need to cap the batch size and lock the delimiter syntax before the POST.

Try this JSON payload structure for the /api/v2/data-actions/{id}/export endpoint. It forces proper quote escaping and stops the buffer overflow.

{ "format": "csv", "delimiter": ",", "quote": "\"", "maxRows": 5000, "columnHeaders": ["id", "name"] }