1. ZNS Custom (Text/Table) Templates
| Component Name | Max Components | Max Variable Parameters | Character Limit | Other Notes |
|---|---|---|---|---|
| Logo / Image | Required 1 | - | - |
Logo Requirements:
|
| Title | Required 1 | Max 4 parameters | Min 9 / Max 65 characters | - |
| Text | Min 1 / Max 4 paragraphs | Max 10 parameters for all text | Min 9 / Max 400 characters per paragraph | - |
| Table | Min 0 / Max 1 panel | - | - | Rows: 2–8 Row Name Column: cannot use parameters, 3–35 chars Content Column: max 1 parameter per cell, 3–90 chars per cell |
| CTA Button | Min 0 / Max 2 (templates with images: min 1) | - | - |
Text required if CTA exists, 5–30 characters
|
2. ZNS OTP Template

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Language: Vietnamese only
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Logo: 1 required (same requirements as above)
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OTP Content (red-marked part in template):
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1 text component
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Max 2 parameters
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Min 9 / Max 400 characters per text
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3. ZNS Service Rating Template
| Component | Quantity | Max Parameters | Other Rules |
|---|---|---|---|
| Title | 1 | Max 2 | Min 9 / Max 65 characters |
| Text | 1 | Max 3 for all text | Min 9 / Max 400 characters |
| Voting | 1 | - | 5 rating levels: 1–5 stars, max 50 characters per option |
4. ZNS Payment Template
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Logo / Image: Same as ZNS Custom Template
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Template Content & CTA Buttons: Same as ZNS Custom Template
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Payment Information:
| Field | Required | Notes |
|---|---|---|
| Bank | 1 | Select from available list, NX assists checking Zalo database |
| Account Name | 1 | Must match OA owning company name |
| Account Number | 1 | Correct format required (e.g., 33281826868 ✓; 3328 1826 868 ✗) |
| Amount | 1 | Min 0 / Max 1 Can be a variable <transfer_amount> or fixed amountFormat: 100000 ✓, 100.000 ✗Limits: 2,000 – 500,000,000 VND |
| Transfer Note | 0–1 | Max 90 characters, no special characters (@[]^_!"•#$%¥&'()*+,€-./:;{ |
5. ZNS Voucher Template
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Logo / Image, Template Content, CTA Buttons: Same as ZNS Custom Template
| Component | Required | Max | Character Limit / Notes |
|---|---|---|---|
| Title | 1 | 1 | Max 30 characters, e.g., <voucher_name>, Direct discount <value>, Free M-size T-shirt |
| Terms & Conditions | 1 | 1 | Max 40 characters, e.g., <voucher_condition>, Only for invoices ≥ <min_order_value>, Applicable to all orders |
| Start Date | 0–1 | 1 | Can be parameter <start_date> or fixed date, e.g., 08/15/2024 |
| Expiry Date | 1 | 1 | Can be parameter <expire> or fixed date, e.g., 08/15/2024 |
| Voucher Code | 0–1 | 1 | Max 25 characters, parameter <voucher_code> or fixed code, e.g., ABCDFG56874952889 |
| Voucher Form | 1 | 1 | Choose format: Barcode, QR Code, Text Code |