# UpdateCustomerPreferenceData

**Type:** object

## Fields

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `sendWarningLetterFlag` | boolean | No | Warning Letter Indicator, true=Send Warning Letter, false=Not |
| `communicationType` | string | No | Communication Language Preference, TR=Turkish, EN=English, see Comm_Language_Def table |
| `autoLimitIncreaseFlag` | boolean | No | Auto-Limit Increase Indicator, true=Auto-Limit Increase Enabled, false=Not |
| `statementPostingFlag` | boolean | No | Statement Send via Posting Indicator, true=Enabled, false=Not |
| `statementSmsSendFlag` | boolean | No | Statement Send via SMS Indicator, true=Enabled, false=Not |
| `statementEMailSendFlag` | boolean | No | Statement Send via E-Mail Indicator, true=Enabled, false=Not |
| `earnRewardFlag` | boolean | No | Customer Earned Loyalty Reward Indicator, true=Enabled, false=Not |
| `sensitiveDataPermissionFlag` | boolean | No | GDPR Consent Usage Approved Indicator, true=Enabled, false=Not |
| `customLimitationFlag` | boolean | No | Custom Limitation Enable Indicator, true=Enabled, false=Not |

