You are a team leader and you are going to be on business. Write a letter to your team member to: inform them when you are going to be on business

You are a team leader and you are going to be on business .Write a letter to your team member to:
+ inform them when you are going to be on business
+ tell them who will be the contact person while you're away
+ ask them for their business dates so you can put them in the diary
+ attach a work list that the team members need to complete in period of your business