The Service Selector can be found via the Service Manager. Here, you can select the captcha service(s) you want to use.
Using the Service Selector
To choose your captcha service, click add from the Service Manager to get to the Service Selector page. (See Image 1) Select the captcha service you want to add and click confirm. (See Image 2) You can add multiple captcha services, either from different or the same service.
You will then be taken to the ‘Create Profile’ section for your relevant service. You can learn how to configure your captcha service here: