Form

Use this page when you are overriding Formie's rendered form wrapper instead of only styling the default output.

If you replace the default <form> tag or its immediate browser-facing data, keep these attributes intact:

Attribute	Purpose	Importance
data-formie	Primary Formie root discovery hook	Required
data-formie-form	Form root hook for browser behaviour	Required
data-formie-handle	Form identity for browser loads and submits	Required
data-formie-static-cache	Static-cache behaviour hint	Preserve when present
data-formie-submit-method	Submit transport behaviour	Preserve when present
data-formie-submit-action	Submit action behaviour	Preserve when present
data-formie-submit-action-form-hide	Post-submit form hiding behaviour	Preserve when present
data-formie-submit-action-message-timeout	Success-message timing	Preserve when present
data-formie-submit-action-message-position	Success-message placement	Preserve when present
data-formie-error-message	Shared browser error message	Preserve when present
data-formie-error-message-position	Shared browser error message placement	Preserve when present
data-formie-loading-indicator	Loading indicator mode	Preserve when present
data-formie-loading-indicator-text	Loading label mode	Preserve when present
data-formie-progress-calculation	Progress UI calculation mode	Preserve when present
data-formie-validation-on-focus	Live-validation behaviour	Preserve when present
data-formie-validation-on-submit	Submit-time validation behaviour	Preserve when present
data-formie-scroll-to-top	Page-navigation scroll behaviour	Preserve when present
data-formie-clear-submission-endpoint	Clear-submission follow-up endpoint	Preserve when present
data-formie-modules	Browser module manifest payload	Required when modules exist
data-formie-theme-classes	Browser theme-state class map	Required when theme classes are applied

Formie already renders this for you. These attributes matter most when you fully replace the form wrapper in a custom theme.