Mumbai: Bollywood actress Priyanka Chopra says her favourite part about her profession is that it gives her the liberty to play myriad characters. Priyanka, who was at the Twitter headquarters in San Francisco on Tuesday, did a video chat with her fans who asked her several questions. When a user asked her about her favourite thing of being an actress, she replied in a video: "My most favourite thing of being an actress is being able to play so many different characters and the fact that I can be anybody. Scary huh?" Another user asked what's the one thing she always needs on the sets. She said: "One thing I always need on set is my phone, otherwise how will I tweet you guys... That's very essential." The actress was also asked about her American drama TV series "Quantico", which helped her gain international recognition. A fan asked about how much of the storyline is revealed to her at the beginning of each session. So, Priyanka who plays Alex Parrish in the show, shared: "Not really too much. As I just really want to find out when Alex finds out. So I insist on finding out too much, but I find out like two episodes before the one we are going to shoot." In the new season of "Quantico", Priyanka will portray CIA agent Alex Parrish. In the first season, she played an FBI recruit. The former beauty queen will also be seen as a guest judge for season 15 of American TV series "Project Runway", hosted by supermodel Heidi Klum. Priyanka will join the series as one of the few guest judges on the show, which will air from September. The show focuses on budding designers who are given an opportunity to create a collection for New York Fashion Week. She has essayed a negative role in "Baywatch" -- the big screen version of the globally popular TV series featuring Dwayne Johnson and Zac Efron.