topic property
The topicId
parameter indicates that the API response should only
contain resources associated with the specified topic. The value
identifies a Freebase topic ID.
string
Important: Due to the deprecation of Freebase and the Freebase API,
the topicId
parameter started working differently as of February 27,
2017. At that time, YouTube started supporting a small set of curated
topic IDs, and you can only use that smaller set of IDs as values for this
parameter.
Implementation
final Topic? topic;