hiddenField 
Purpose
Creates a input of type 'hidden' (a hidden field). All the usual HTML elements apply.Examples
<g:hiddenField name="myField" value="myValue" />
Description
Attributes
name (required) - The name of the text field 
value (optional) - The value of the text field 
Source
Show Source
def hiddenField = { attrs ->
        hiddenFieldImpl(out, attrs)
    }    def hiddenFieldImpl(out, attrs) {
        attrs.type = "hidden"
        attrs.tagName = "hiddenField"
        fieldImpl(out, attrs)
    }