Which automation tool should an app builder use to meet this requirement?

Representatives at Cloud Kicks use Salesforce to record information for new Leads. When new prospects are added, an outbound message is sent to the data warehouse with the Lead’s information.

Which automation tool should an app builder use to meet this requirement?
A . Create a workflow rule with an outbound message as the action.
B . Design an approval process that sends an outbound message.
C . Create a process using Process Builder to send an outbound message.
D . Use Lightning Flow to send an outbound message.

Answer: A