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added max attendee configuration option #2

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added max attendee configuration option #2

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a50ab58
added max attendee configuration option
Jan 20, 2026
11ff9d5
fix
Jan 21, 2026
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22 changes: 22 additions & 0 deletions apps/web/modules/event-types/components/tabs/advanced/FormBuilder.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -588,6 +588,7 @@ function FieldEditDialog({
//resolver: zodResolver(fieldSchema),
});
const formFieldType = fieldForm.getValues("type");
const fieldName = fieldForm.watch("name");

useEffect(() => {
if (!formFieldType) {
Expand Down Expand Up @@ -713,6 +714,27 @@ function FieldEditDialog({
<FieldWithLengthCheckSupport containerClassName="mt-6" fieldForm={fieldForm} />
) : null}

{formFieldType === "multiemail" && fieldName === "guests" && (
<InputField
{...fieldForm.register("maxEntries", {
setValueAs: (value) => {
if (value === "") {
return undefined;
}
const parsed = Number(value);
if (Number.isNaN(parsed) || !Number.isInteger(parsed) || parsed < 1) {
return undefined;
}
return parsed;
},
Comment on lines +720 to +729

@propel-code-bot propel-code-bot Bot Jan 21, 2026

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Important

[Logic] The setValueAs function currently swallows validation errors (like non-integers or values less than 1) by returning undefined, which zod treats as a valid optional value. This means invalid inputs (e.g. "1.5" or "-1") will simply unset the limit rather than showing a validation error.

Simiplifying this to just type coercion allows the Zod schema (z.number().int().min(1)) to handle the validation and provide proper error feedback to the user.

Context for Agents 
The `setValueAs` function currently swallows validation errors (like non-integers or values less than 1) by returning `undefined`, which `zod` treats as a valid optional value. This means invalid inputs (e.g. "1.5" or "-1") will simply unset the limit rather than showing a validation error.

Simiplifying this to just type coercion allows the Zod schema (`z.number().int().min(1)`) to handle the validation and provide proper error feedback to the user.

File: apps/web/modules/event-types/components/tabs/advanced/FormBuilder.tsx
Line: 729

})}
containerClassName="mt-6"
label={t("max_attendees")}
type="number"
min={1}
/>
)}

{formFieldType === "email" && (
<InputField
{...fieldForm.register("requireEmails")}
Expand Down
2 changes: 2 additions & 0 deletions apps/web/public/static/locales/en/common.json
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,8 @@
"min_characters": "Min. Characters",
"min_characters_required": "Min. {{count}} characters required",
"max_characters_allowed": "Max. {{count}} characters allowed",
"max_attendees": "Maximum attendees",
"max_attendees_allowed": "Maximum {{count}} attendees allowed",
"calcom_explained": "{{appName}} provides scheduling infrastructure for absolutely everyone.",
"calcom_explained_new_user": "Finish setting up your {{appName}} account! You're just a few steps away from solving all your scheduling problems.",
"have_any_questions": "Have questions? We're here to help.",
Expand Down
1 change: 1 addition & 0 deletions packages/app-store/routing-forms/components/react-awesome-query-builder/widgets.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,7 @@ export type SelectLikeComponentPropsRAQB<TVal extends string | string[] = string

export type TextLikeComponentProps<TVal extends string | string[] | boolean = string> = CommonProps<TVal> & {
name?: string;
maxEntries?: number;
};

export type TextLikeComponentPropsRAQB<TVal extends string | boolean = string> =
Expand Down
7 changes: 7 additions & 0 deletions packages/features/bookings/lib/getBookingResponsesSchema.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -268,6 +268,13 @@ function preprocess<T extends z.ZodType>({
}

const emails = emailsParsed.data;
if (typeof bookingField.maxEntries === "number" && emails.length > bookingField.maxEntries) {
ctx.addIssue({
code: z.ZodIssueCode.custom,
message: m("max_attendees_allowed", { count: bookingField.maxEntries }),
});
continue;
}
emails.sort().some((item, i) => {
if (item === emails[i + 1]) {
ctx.addIssue({ code: z.ZodIssueCode.custom, message: m("duplicate_email") });
Expand Down
17 changes: 16 additions & 1 deletion packages/features/form-builder/Components.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -247,7 +247,11 @@ export const Components: Record<FieldType, Component> = {
factory: function MultiEmail({ value, readOnly, label, setValue, ...props }) {
const placeholder = props.placeholder;
const { t } = useLocale();
value = value || [];
const maxEntries = props.maxEntries;
const listValue = value || [];
const hasReachedLimit =
typeof maxEntries === "number" && maxEntries > 0 && listValue.length >= maxEntries;
value = listValue;
return (
<>
{value.length ? (
Expand Down Expand Up @@ -293,13 +297,20 @@ export const Components: Record<FieldType, Component> = {
color="minimal"
StartIcon="user-plus"
className="my-2.5"
disabled={hasReachedLimit}
onClick={() => {
if (hasReachedLimit) {
return;
}
value.push("");
setValue(value);
}}>
{t("add_another")}
</Button>
)}
{!readOnly && typeof maxEntries === "number" && maxEntries > 0 && (
<p className="text-subtle text-xs">{t("max_attendees_allowed", { count: maxEntries })}</p>
)}
</div>
) : (
<></>
Expand All @@ -311,7 +322,11 @@ export const Components: Record<FieldType, Component> = {
color="minimal"
variant="button"
StartIcon="user-plus"
disabled={hasReachedLimit}
onClick={() => {
if (hasReachedLimit) {
return;
}
value.push("");
setValue(value);
}}
Expand Down
1 change: 1 addition & 0 deletions packages/features/form-builder/FormBuilderField.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -312,6 +312,7 @@ export const ComponentForField = ({
placeholder={field.placeholder}
name={field.name}
label={field.label}
maxEntries={field.maxEntries}
readOnly={readOnly}
value={value as string[]}
setValue={setValue as (arg: typeof value) => void}
Expand Down
6 changes: 6 additions & 0 deletions packages/prisma/zod-utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1091,6 +1091,12 @@ export const baseFieldSchema = z.object({
*/
maxLength: z.number().optional(),

/**
* It is the maximum number of entries that can be provided for list fields.
* It is used for types like `multiemail`.
*/
maxEntries: z.number().int().min(1).optional(),

// Emails that needs to be excluded
excludeEmails: excludeOrRequireEmailSchema.optional(),
// Emails that need to be required
Expand Down