Configuring Field Encryption Schemes

1. Go to Policy > Encryption Policy. 
2. Find the service instance you want to configure and click the Instance Name. 
3. On the Encryption Policies page, on the Schema tab, find the object you want to encrypt, and click to open it. 
4. For each Field Name, select an Encryption Type from the menu. 
   
5. Click Deploy. 

Your changes are implemented immediately and listed under the History tab.