export type ErrorDetails = {errorCode?: string | undefined, message?: string | undefined};

export type ListCustomField = {configurationType?: string | undefined, errorDetails?: ErrorDetails | undefined, fieldId?: string | undefined, listItems?: Array<string> | undefined, name?: string | undefined, required?: string | undefined, show?: string | undefined, value?: string | undefined};

export type TextCustomField = {configurationType?: string | undefined, errorDetails?: ErrorDetails | undefined, fieldId?: string | undefined, name?: string | undefined, required?: string | undefined, show?: string | undefined, value?: string | undefined};

export type EnvelopeCustomFields = {listCustomFields?: Array<ListCustomField> | undefined, textCustomFields?: Array<TextCustomField> | undefined};

export type UpdateApiV21AccountsAccountIdEnvelopesEnvelopeIdCustomFieldsArgs = {accountId: string, envelopeId: string, body: EnvelopeCustomFields};

export type UpdateApiV21AccountsAccountIdEnvelopesEnvelopeIdCustomFieldsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * Updates envelope custom fields in an envelope.
 * 
 * PUT /v2.1/accounts/{accountId}/envelopes/{envelopeId}/custom_fields
 */
export const updateApiV21AccountsAccountIdEnvelopesEnvelopeIdCustomFields = async (args: UpdateApiV21AccountsAccountIdEnvelopesEnvelopeIdCustomFieldsArgs, options?: UpdateApiV21AccountsAccountIdEnvelopesEnvelopeIdCustomFieldsOptions) => {
const {baseUrl = "https://www.docusign.net/restapi", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "*/*")

const url = `${baseUrl.replace(/\/+$/, '')}/v2.1/accounts/${encodeURIComponent(String(args.accountId))}/envelopes/${encodeURIComponent(String(args.envelopeId))}/custom_fields${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return res.blob()
};