Prosper Custom Labels automates the custom_label_0–4 product metafields used by the official Google & YouTube app. Build ordered cases from product, inventory, tag, date, variant, and metafield rules. The first match sets the label; non-matches clear the slot. Preview exact set and clear counts before publishing—nothing is written until you approve. Pause or uninstall and existing values stay in place. No feed replacement, Google login, campaign changes, or Merchant Center API.

• Automate all five Google custom-label slots
• Use ordered cases: first match wins; non-matches clear the slot
• Build nested rules from products, stock, tags, dates, variants, and metafields
• Choose whether any, all, or no variants must match a variant rule
• Preview exact set and clear counts before you publish