1. Go to WP Admin → Plugins → Add New → Upload Plugin.
2. Upload the plugin ZIP, install, and activate.
3. Open WooCommerce → Delivery Settings (plugin menu location may differ by build).

If uploads fail with “The link you followed has expired”, increase PHP upload limits (server-side).

• Enable Delivery Scheduling: Turns delivery date/time selection on or off at checkout.
• Day Wise Delivery Cut-off: Set weekday-specific same-day cut-off times.
• Delivery Date: Label, Required (Yes/No), and Format.
• Delivery Time: Label and Required (Yes/No).
• Delivery Instructions: Label, Required (Yes/No), and Enable (Yes/No).
• Delivery Schedule Title: Label and Enable (Yes/No).
• Adjustment Fee: Fee label and discount label shown in order totals when slot has price adjustment.

Delivery Date — field meanings

Field	Set in Admin	Shown on Checkout	What it does
Label	Delivery Settings → Delivery Date → Label	Field title above date input	Changes only the visible text (example: Delivery Date, Delivery Day, Preferred Delivery Date).
Required	Delivery Settings → Delivery Date → Required	Validation on place order	Yes = customer must select date. No = checkout can proceed without date.
Format	Delivery Settings → Delivery Date → Format	Date display in field and order meta	Controls output format (example: DD/MM/YYYY). Calendar logic remains date-safe; only display changes.

• Enable Pickup Scheduling: Turns pickup date/time selection on or off at checkout.
• Day Wise Pickup Cut-off: Weekday-specific same-day cut-off for pickup.
• Pickup Date: Label and Required (Yes/No).
• Pickup Time: Label and Required (Yes/No).
• Pickup Instructions: Label, Required (Yes/No), and Enable (Yes/No).
• Pickup Schedule Title: Label and Enable (Yes/No).
• Adjustment Fee: Fee/discount labels for pickup slot pricing.

Pickup rows — behavior

Field Group	Set in Admin	What it does
Pickup Date	Pickup Settings → Pickup Date (Label + Required)	Label changes display text; Required controls mandatory validation.
Pickup Time	Pickup Settings → Pickup Time (Label + Required)	Controls slot selector text and required validation.
Pickup Instructions	Pickup Settings → Pickup Instructions (Label + Required + Enable)	Enable shows/hides field, Label changes title, Required controls validation.
Pickup Schedule Title	Pickup Settings → Pickup Schedule Title (Label + Enable)	Enable shows/hides heading; Label sets heading text.

No separate Advanced Rules tab. These controls live inside Delivery and Pickup settings.

Field	What it controls	Example
Enable Advanced Rules	Master switch for all controls below.	Disabled = lead/max/filters/blackouts ignored
Delivery Lead Days	Minimum days from today before a delivery date can be selected.	2 = today & tomorrow blocked
Delivery Max Booking Days	Maximum future booking window for delivery.	15 = next 15 days allowed
Pickup Lead/Max Booking Days	Same rules for pickup schedule.	Lead 1, Max 10
Recurring Holidays	Block selected weekdays every week (delivery/pickup separately).	Sunday selected = all Sundays blocked
Shipping Methods	Show Delivery/Pickup only for selected shipping methods.	Flat rate only / Local pickup only
Zones	Show Delivery/Pickup only for selected shipping zones.	Only India zone
Blackout Date Ranges	Block complete date periods.	24-12-2026 to 31-12-2026
Allowed Products / Categories	Show Delivery/Pickup only when cart matches filters.	Select Product A/B or specific category
Enable Customer Reschedule	Global switch for customer-side reschedule in My Account.	Enabled + order-level allow = customer can reschedule
Allowed Statuses	Customer can reschedule only for selected order statuses.	pending, processing, on-hold
Reschedule Pricing Mode	Controls how slot price changes affect order.	Keep original pricing (recommended)

Create slots with Name, For, Day, Start, End, Max Orders, and Price Adjustment.

Field	Shown on Checkout	Meaning and behavior
Name	Before time range	Optional title. If empty, checkout shows only time range.
For	Slot visibility	All = visible for Delivery and Pickup. Delivery = only Delivery. Pickup = only Pickup.
Day	After date selection	All Days = available daily. Specific day = available only on that weekday.
Start / End	Time range	Defines slot window. End should be later than Start.
Max Orders	Availability control	Daily capacity per slot per schedule type. Once reached, slot becomes unavailable.
Price Adjustment	Order total impact	Positive adds fee, negative applies discount. Labels come from Delivery/Pickup settings.

Slot display examples

• If Name is set: Afternoon (12:00 PM - 4:00 PM)
• If Name is empty: 9:00 AM - 12:00 PM

Manage delivery and pickup holidays separately. These dates are blocked in the calendar UI and validated again on checkout submit.

Field	Shown on Checkout	Meaning and behavior
Delivery Holidays	Delivery calendar only	Blocked only when customer selects Delivery.
Pickup Holidays	Pickup calendar only	Blocked only when customer selects Pickup.

• Public ICS Feed URL: Use in Google/Apple/Outlook calendars.
• Download ICS Now: Export current schedule events as a .ics file.
• Regenerate Feed Token: Invalidate old feed links and generate a new secure URL.

• Summary: Date range + filters (Type, Status, Category, Shipping Method) → KPIs and tables.
• Order Calendar: Month navigation with operational filters and day-wise order view.

Calendar popup shows type, date, time slot, instructions, and relevant details.

Export schedule-level reporting data by date range and filters.

• Order number
• Customer details
• Delivery/Pickup type
• Date and time slot
• Instructions
• Amount adjustments

The Notifications tab contains 5 sub-tabs:

• Email Notifications
• Admin Alerts
• Send Alerts
• SMS Notifications
• SMS Gateway

Sub-tab	Purpose	Key behavior
Email Notifications	Automatic customer emails.	Template status, subject, content, trigger rules (before/after, unit, value, scope).
SMS Notifications	Automatic customer SMS.	Template rules + per-template test SMS with gateway response output.
Admin Alerts	Daily summary emails to store admin.	Runs through WordPress cron; recommended to set server cron for reliability.
Send Alerts	Manual sending for selected orders.	Enter order IDs/numbers; email and SMS are separate actions.
SMS Gateway	Generic provider API support.	GET/POST, custom headers, templates, success keyword matching.

Standard placeholders: {phone}, {message}, {phone_json}, {message_json}

Custom aliases: {NACS_TECH_MOBILE}, {NACS_TECH_TEXT}, {NACS_TECH_MOBILE_JSON}, {NACS_TECH_TEXT_JSON}

Validation rules

• GET: query template must contain {phone} and {message}
• POST: body template must contain {phone}/{message} OR JSON variants

Template examples

• GET Query: User=abc&Password=xyz&Number={phone}&Text={message}
• POST form-urlencoded: phone={phone}&message={message}
• POST JSON: {"Number":{phone_json},"Text":{message_json}}

• Admin can reschedule from order edit.
• Customer reschedule requires global enable + order permission + allowed statuses.
• Reschedule Pricing Mode controls whether pricing changes are kept or recalculated.

Recommended mode for most stores: Keep Original Pricing.

Automatic email/SMS notifications and admin alerts run through WordPress cron. On low-traffic sites, configure a real server cron.

Date unexpectedly blocked

• Check Holidays, Recurring Holidays, Blackout Ranges
• Check Lead/Max limits
• Check Day-wise Cut-off

Delivery/Pickup option not showing

• Enable switch ON
• Shipping method filter / Zone filter
• Allowed products/categories filters
• Enable Advanced Rules (if using rules)

SMS not sent

• Verify Gateway URL, method (GET/POST), headers
• Ensure required placeholders are present
• Verify success keyword (if configured)