URL subscript
Block URL subscript is used for accessing subcomponents of a data type. It is alias to proper dictionary subscription.
Names of subscript properties and their meaning can be found in URL type specification.
XML representation of the url_subscript block
<xml xmlns="http://www.w3.org/1999/xhtml">
<block type="url_subscript">
<field name="INFO">SCHEME</field>
<value name="URL">
<block type="variables_get">
<field name="VAR">url</field>
</block>
</value>
</block>
</xml>

Block “URL subscript”