public void setPolicySchema(Integer policySchema) {
        this.policySchema = policySchema;
    }
<p>
The template schema version. Template schema versions can be v2, v3, or v4. The template configuration options
change based on the template schema version.
</p>

@param policySchema
       The template schema version. Template schema versions can be v2, v3, or v4. The template configuration
       options change based on the template schema version.
aws-java-sdk-pcaconnectorad/src/main/java/com/amazonaws/services/pcaconnectorad/model/TemplateSummary.java