{"ok":true,"commandType":"update-udf-field","module":"UDF","mode":"write","summary":"Update an existing AutoCount UDF field definition.","payloadSchema":{"tableName":"required AutoCount UDF table name","fieldName":"required UDF field name without UDF_ prefix","caption":"optional display caption","size":"optional text size"},"examplePayload":{"tableName":"Debtor","fieldName":"APITEST","caption":"API Test","size":50},"notes":"Uses AutoCount.UDF.UDFTable Save. This changes UDF setup, not transaction data.","nativePayload":{"supported":false,"sections":[{"name":"Master","fields":[]},{"name":"Details","fields":[]},{"name":"KnockOffDetails","fields":[]},{"name":"TransferDetails","fields":[]},{"name":"PaymentDetails","fields":[]},{"name":"Options","fields":[]}]}}