# Requirements
# Craft CMS
The plugin requires Craft CMS 3.6.18 or later. Support for Craft 4 is coming.
# PHP
The plugin requires PHP 7.4 or later.
# Elasticsearch Cluster
An existing Elasticsearch cluster is required for operation. Currently, both Elasticsearch and AWS OpenSearch (in compatibility mode) are supported.
# Authentication
The following authentication methods are supported:
- Basic Authentication
- AWS Credentials
- AWS Instance Roles