## Radio button

Allows the visitor to select one of a number of mutually exclusive options:

Each set of radio buttons is called a ‘cluster‘. Selecting one radio button in a cluster automatically deselects all the other buttons in the cluster.

The following parameters are provided:

Parameter | What it means
Name | The name identifying the cluster of radio buttons, and the parameter sent to the form script.
Value | The value to identify this radio button. The value of the selected radio button will be the value of the parameter sent to the form script. Each button in a cluster should have a different value.
Text | The label for the button.
Checked | The default state of the radio button.

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