properties
properties: An object containing properties for the SVG template, as described in Section 4.5.1.2.1. This property is REQUIRED if more than one SVG template is present, otherwise it is OPTIONAL.
properties: An object containing properties for the SVG template, as described in Section 4.5.1.2.1. This property is REQUIRED if more than one SVG template is present, otherwise it is OPTIONAL.