This specification modifies the definition of the "URL" property to allow it to be defined in an iCalendar object. The following additions are made to the definition of this property, originally specified in Section 3.8.4.6 of [RFC5545].
Purpose
This property may be used to convey a location where a more dynamic rendition of the calendar information can be found.
Conformance
This property can be specified once in an iCalendar object.