# Optional Integration Configuration

The following variables are available to be set, to enable additional integration features.

<table data-full-width="true"><thead><tr><th width="309">Variable Name</th><th width="225">Initial Value</th><th width="418">Description</th><th>Security Setting</th></tr></thead><tbody><tr><td>NETACEA_CAPT_CONTENT_NGT</td><td>TRUE</td><td>When this feature is enabled, the integration will choose whether to serve HTML or JSON based on the <code>Accept</code> header of the request. If this is set then NETACEA_CAPT_PATH must also be set.</td><td>Visible</td></tr><tr><td>NETACEA_CAPT_PATH</td><td>&#x3C;relative path><br><br>e.g. /captcha-challenge</td><td>Used to support alternative captcha workflows where default HTML captcha is insufficient. The integration will always serve captcha on the given path.</td><td>Visible</td></tr><tr><td>NETACEA_BLOCK_LOCATION</td><td>&#x3C;relative or absolute path><br><br>e.g. /blocked.html</td><td>The location of a custom block page that blocked visitors will be redirected to on navigation requests. Can be a relative or an absolute path.</td><td>Visible</td></tr></tbody></table>

Please consult with a member of the Solutions Engineering team before setting these variables.