Changes to Add an item to a playlist

added the new optional query request parameter object_type

added the new optional request property object_type (media type: application/json)

added the new optional request property object_type (media type: application/x-www-form-urlencoded)

query request parameter type was deprecated

api operation id playlistAdd was added

added optional request body

the query request parameter id became optional

the query request parameter type became optional

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 404

added the non-success response with the status 500

added the non-success response with the status 400

endpoint added

api path removed without deprecation