The optional right attribute shows if the flag frame has the triangle element at the right side.
Source
<xs:complexType name="FrameFlagType"><xs:annotation><xs:documentation>The FrameFlagType defines a flag frame. This is normally used for visualization of flag notes.</xs:documentation></xs:annotation><xs:complexContent><xs:extension base="FrameRectangularType"><xs:attribute name="right" type="xs:boolean" default="true" use="optional"><xs:annotation><xs:documentation>The optional right attribute shows if the flag frame has the triangle element at the right side.</xs:documentation></xs:annotation></xs:attribute></xs:extension></xs:complexContent></xs:complexType>
<xs:attribute name="right" type="xs:boolean" default="true" use="optional"><xs:annotation><xs:documentation>The optional right attribute shows if the flag frame has the triangle element at the right side.</xs:documentation></xs:annotation></xs:attribute>