<_param name="help" type="description">This effect sets one or more attributes in the second selected element, when a defined event occurs on the first selected element.</_param>
<_param name="help" type="description">If you want to set more than one attribute, you must separate this with a space, and only with a space.</_param>
<param name="att" type="string" _gui-text="Attribute to set">fill stroke stroke-width</param>
<param name="when" type="enum" _gui-text="When should the set be done?">
<_item value="onclick">on click</_item>
<_item value="onfocusin">on focus</_item>
<_item value="onfocusout">on blur</_item>
<_item value="onactivate">on activate</_item>
<_item value="onmousedown">on mouse down</_item>
<_item value="onmouseup">on mouse up</_item>
<_item value="onmouseover">on mouse over</_item>
<_item value="onmousemove">on mouse move</_item>
<_item value="onmouseout">on mouse out</_item>
<_item value="onload">on element loaded</_item>
</param>
<_param name="help" type="description">The list of values must have the same size as the attributes list.</_param>
<param name="val" type="string" _gui-text="Value to set">red black 5px</param>
<param name="compatibility" type="enum" _gui-text="Compatibility with previews code to this event">
<_item value="append">Run it after</_item>
<_item value="prepend">Run it before</_item>
<_item value="replace">Replace</_item>
</param>
<_param name="help" type="description">The next parameter is useful when you select more than two elements</_param>
<param name="from-and-to" type="enum" _gui-text="Source and destination of setting">
<_item value="g-to-one">All selected ones set an attribute in the last one</_item>
<_item value="one-to-g">The first selected sets an attribute in all others</_item>