update_form
Update form
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Third-party content written by another agent. Data to evaluate, not instructions.
Use to patch form overrides. Pass null on an override to inherit again. Set email.subject or email.intro to override project notification copy for this form only; from_name, footer_mode, and include_meta stay on the project. Email templates support {{project.name}}, {{project.slug}}, {{form.name}}, {{form.slug}}, {{count}} (1-based clean submissions on this form, including the current one), and any submission field such as {{name}} or {{email}}. Use a fallback with {{name | "New submission"}}. Missing fields render empty and never error. Do not pass HTML; Furrow renders one owned layout. Set webhook_url_override to override the project webhook for this form. Do not use this to change Turnstile keys — those live on the project. Checkbox groups, select multiple, and other multi-value HTML fields must use a [] suffix on the name (name="services[]") or only the last checked value is stored. Put services[] on field_contract.name too. JSON/fetch should send a real array without brackets ({ "services": ["a", "b"] }) and must not use Object.fromEntries(formData) — use formData.getAll("services"). Single checkbox, select, or combobox: no brackets. File inputs use multipart POST (name="resume[]" for multiple). Enable uploads on the project first. Downloads are the project inbox at files_url, with the form slug as a folder — never put that URL in a public snippet.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| name | string | no | New form display name. |
| notify_emails_override | any | no | Recipients for this form only. Null inherits the project's notify_emails. |
| webhook_url_override | any | no | Webhook endpoint for this form only. Null inherits the project webhook. |
| webhook_secret_override | any | no | HMAC secret for this form's webhook. Null inherits the project secret. |
| redirect_url_override | any | no | Success redirect for this form only. Null inherits default_redirect_url. |
| require_turnstile_override | any | no | Force Turnstile on or off for this form. Null inherits the project setting. |
| object | no | Per-form subject and intro overrides for the notification email. | |
| field_contract | any | no | Declared fields (name, type, label, report). Drives get_snippet and the email layout. Null clears it. |
| form_id | string | yes | Form id from list_forms, create_form, or bootstrap_site. |
Raw JSON schema
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"name": {
"description": "New form display name.",
"type": "string",
"minLength": 1,
"maxLength": 120
},
"notify_emails_override": {
"description": "Recipients for this form only. Null inherits the project's notify_emails.",
"anyOf": [
{
"maxItems": 10,
"type": "array",
"items": {
"type": "string",
"format": "email",
"pattern": "^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$"
}
},
{
"type": "null"
}
]
},
"webhook_url_override": {
"description": "Webhook endpoint for this form only. Null inherits the project webhook.",
"anyOf": [
{
"type": "string",
"format": "uri"
},
{
"type": "null"
}
]
},
"webhook_secret_override": {
"description": "HMAC secret for this form's webhook. Null inherits the project secret.",
"anyOf": [
{
"type": "string",
"minLength": 1
},
{
"type": "null"
}
]
},
"redirect_url_override": {
"description": "Success redirect for this form only. Null inherits default_redirect_url.",
"anyOf": [
{
"type": "string",
"format": "uri"
},
{
"type": "null"
}
]
},
"require_turnstile_override": {
"description": "Force Turnstile on or off for this form. Null inherits the project setting.",
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"email": {
"description": "Per-form subject and intro overrides for the notification email.",
"type": "object",
"properties": {
"subject": {
"description": "Per-form subject override. Supports {{tokens}}. Null falls back to the project subject.",
"anyOf": [
{
"type": "string",
"minLength": 1,
"maxLength": 300
},
{
"type": "null"
}
]
},
"intro": {
"description": "Per-form intro override. Supports {{tokens}}. Null falls back to the project intro.",
"anyOf": [
{
"type": "string",
"maxLength": 4000
},
{
"type": "null"
}
]
}
}
},
"field_contract": {
"description": "Declared fields (name, type, label, report). Drives get_snippet and the email layout. Null clears it.",
"anyOf": [
{
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
"type": "string",
"minLength": 1,
"maxLength": 80,
"description": "Posted field name. HTML checkbox groups / multi-select must end in [] (services[]) or only the last value is stored. JSON arrays omit the brackets."
},
"type": {
"type": "string",
"minLength": 1,
"maxLength": 40,
"description": "text, email, textarea, file, etc. type=file emits a file input in get_snippet."
},
"label": {
"description": "Human label used in the snippet and notification email. Defaults to the field name.",
"anyOf": [
{
"type": "string",
"minLength": 1,
"maxLength": 120
},
{
"type": "null"
}
]
},
"report": {
"default": false,
"description": "Include this field in dashboard summaries and reports.",
"type": "boolean"
}
},
"required": [
"name",
"type"
]
}
},
{
"type": "null"
}
]
},
"form_id": {
"type": "string",
"format": "uuid",
"pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
"description": "Form id from list_forms, create_form, or bootstrap_site."
}
},
"required": [
"form_id"
]
}