@java.lang.Override
    public java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema>
        getPropertiesMap() {
      return internalGetProperties().getImmutableMap();
    }
<pre>
Optional. SCHEMA FIELDS FOR TYPE OBJECT
Properties of Type.OBJECT.
</pre>

<code>
map&lt;string, .google.cloud.vertexai.v1.Schema&gt; properties = 3 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java