public boolean hasDriveName() {
      return driveSourceCase_ == 7;
    }
<pre>
The name of the drive to download from.
</pre>

<code>string drive_name = 7;</code>

@return Whether the driveName field is set.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSources.java