Advanced

Use the Forms APIs to extend validation, submission actions, uploads, script loading, or access to stored entries.

• Form Field Validation Filter — Add custom PHP validation before submission actions run.

• Form Submission Capability Filter — Change the capability required to manage stored submissions.

• Create a Custom Form Action — Register another submission action.

• Form Rendering and Email Hooks — Customize generated markup and outgoing email.

• Registering Additional Form File Types — Register extensions and MIME types for upload fields.

• Lazy-Load reCAPTCHA — Defer the script with a custom loader while retaining form verification.