When alerts fire

Enhanced plan

Notifications are real-time. There is no daily run and no schedule to wait for — emails go out within seconds of the inventory change that triggered them.

The flow

A variant’s inventory changes in Shopify (sale, restock, manual edit, etc.).
Shopify sends Logistified a products/update webhook describing the change.
Logistified evaluates the rule’s triggers against the new and previous quantities for that variant.
If any trigger condition just crossed, an email is queued and sent within seconds.

This means the slowest part of the chain is Shopify’s webhook latency — usually only a few seconds.

Built-in de-duplication

You won’t get spammed if a variant stays in the alert state. Each trigger is gated to fire once per crossing event:

Stock-out alert fires the moment on-hand goes from positive to zero. It does not re-fire while the variant stays at zero. It re-arms only when stock rises back above zero.
Stock threshold fires the moment on-hand crosses from above your threshold to at or below it. It does not re-fire while inventory stays below the threshold. It re-arms only when stock rises back above the threshold.
Days from reorder point fires when the forecast-projected days-until-reorder drops to or below your value. To absorb daily forecast jitter, a 48-hour per-variant cooldown blocks a repeat alert for the same variant. After 48 hours the trigger can fire again if the variant is still within your window.

In practice this means a long-running stock-out sends one email when the SKU first hits zero, not one every day.

When alerts do not fire

A few conditions silently skip a variant:

The rule’s master Enable notifications switch is off.
No recipients are checked on this rule (no one would receive it anyway).
The variant isn’t part of the rule’s selected Forecast View.
For the days-from-reorder trigger: the variant doesn’t have enough forecast data yet, or the projected days-until-reorder is zero or negative.
The shop isn’t on the Enhanced plan when the webhook arrives.

Downgrading from Enhanced

Disable the rule before downgrading. Once you’re on a non-Enhanced plan, the rule’s evaluation is skipped at webhook time, so no emails go out — but the configuration stays in place, and a later upgrade re-activates whatever was previously configured. If you want a clean break, turn the Enable notifications switch off.