public void setLastStartedAt(java.util.Date lastStartedAt) {
        this.lastStartedAt = lastStartedAt;
    }
<p>
The Unix timestamp for the time when the managed agent was last started.
</p>

@param lastStartedAt
       The Unix timestamp for the time when the managed agent was last started.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/ManagedAgent.java