public void setLastModifiedAt(java.util.Date lastModifiedAt) {
        this.lastModifiedAt = lastModifiedAt;
    }
<p>
The time when the environment account connection was last modified.
</p>

@param lastModifiedAt
       The time when the environment account connection was last modified.
aws-java-sdk-proton/src/main/java/com/amazonaws/services/proton/model/EnvironmentAccountConnection.java