What activities did Wang Xizhi, a famous calligrapher in Jin Dynasty, participate in when he created Preface to Lanting?

On March 3, 353 AD, Wang Xizhi of Jin Dynasty visited Shaoxing, Zhejiang Province. Forty-one people were Taiyuan Chenggong, Sun Chuo's Palace, Guanghan Wang Bin Daosheng, Chen Anshi, Gao Tan Chongxi, Taiyuan Wang Yun, Zhidun Daolin, and Xi Hening's sons Zhi, Hui Zhi and Cao Zhi. Xi's brushwork is preface, and he enjoys writing books.