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When a new user created in WordPress, check if row exists for user ID in custom table, else, add data to custom table

Each new WordPress user is checked against your Metabox custom table, and only added when no row exists yet, keeping the table clean and duplicate-free.

WordPressWordPress Metabox - Custom TableMetabox - Custom Table FilterFilter MetaboxMetabox
~8 min setup used by 403 sites
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How it works

Every step, explained

Import the template and this whole chain runs on autopilot — here's exactly what happens on each run.

WordPress → Metabox - Custom Table → Filter
4 steps
WordPress
TRIGGER
WordPress · New Post
The workflow starts automatically when a new post is published in WordPress. FlowMattic captures that data for the steps below.
Metabox - Custom Table
ACTION
Metabox - Custom Table · Row Exists
Metabox - Custom Table — check if the custom table has a row of an object. Data is mapped from earlier steps; connect your Metabox - Custom Table account on import.
Filter
LOGIC
Filter · Continue If Condition Meet
The Filter only lets the run continue when its conditions are met.
Metabox
ACTION
Metabox · Add Meta Value
Metabox — add a new Meta value for any object - Post, Term or User. Data is mapped from earlier steps; connect your Metabox account on import.
Why this workflow

Built to own, not to rent

No-code setup

Import the JSON, connect your accounts, and go live in minutes. Every step is pre-mapped — you only add your own credentials.

Runs on your server

Self-hosted on your WordPress install. No per-task fees, no data leaving your infrastructure, no monthly SaaS bill.

Fully customizable

Open it in the visual builder and reshape it — add branches, swap apps, insert filters. A starting point, not a cage.

Keep exploring

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