public Builder setPayloadFormat(
          com.google.storagetransfer.v1.proto.TransferTypes.NotificationConfig.PayloadFormat
              value) {
        if (value == null) {
          throw new NullPointerException();
        }
        bitField0_ |= 0x00000004;
        payloadFormat_ = value.getNumber();
        onChanged();
        return this;
      }
<pre>
Required. The desired format of the notification message payloads.
</pre>

<code>
.google.storagetransfer.v1.NotificationConfig.PayloadFormat payload_format = 3 [(.google.api.field_behavior) = REQUIRED];
</code>

@param value The payloadFormat to set.
@return This builder for chaining.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java