# Bulk management | Developer Documentation

<div id="bkmrk-bulk-managementupdat">## Bulk management

<div><span>Updated: Nov 10, 2025</span></div><div>If a template already exists with a matching name and language, the template will be updated with the contents of the request, otherwise, a new template will be created.</div><div id="bkmrk-post-body"><div id="bkmrk-post-body-1"><div>#### Post Body

</div></div></div><div id="bkmrk-properties"><div id="bkmrk-properties-1"><div>#### Properties

</div></div></div><div>All [template creation properties](/documentation/business-messaging/whatsapp/templates/authentication-templates/authentication-templates#properties) are supported, with these exceptions:</div><span>The `language` property is not supported. Instead, use `languages` and set its value to an array of [language and locale code](/books/meta-whatsapp/page/template-library-developer-documentation) strings. For example: `["en_US","es_ES","fr"]`.</span><span>The `text` property is not supported.</span><span>The `autofill_text` property is not supported.</span></div>