As of 28-Jan 2020, you can select following FedEx delivery options.
1. No Signature Required: FedEx will attempt to obtain a signature at the delivery address. If no one is available to sign, FedEx will deliver the package in a safe place without obtaining signature.
2. Direct Signature Required: FedEx will obtain a signature from someone at the delivery address. If no one is at the address, FedEx may reattempt delivery.
3. Indirect Signature Required: FedEx will obtain a signature from someone at the delivery address, from a neighbour or from a building manager. If no one is available to sign, FedEx will attempt to redeliver the package on another date.