Solved
Add custom index to cqPageLucene Index
I know some of the indexes are OOTB from Adobe in cqPageLucene. I need to add additional index such as pageReplicationAction in cqPageLucene so I would like to see if the .content.xml would be correct like below:
<?xml version="1.0" encoding="UTF-8"?>
<jcr:root xmlns:oak="http://jackrabbit.apache.org/oak/ns/1.0" xmlns:jcr="http://www.jcp.org/jcr/1.0" xmlns:nt="http://www.jcp.org/jcr/nt/1.0"
jcr:primaryType="oak:QueryIndexDefinition"
async="[async,nrt]"
compatVersion="{Long}2"
evaluatePathRestrictions="{Boolean}true"
forceReindex="{Boolean}false"
tags="[slingSitemaps]"
reindexCount="{Long}1"
seed="{Long}216358653532915329"
supersedes="[/oak:index/cqDefaultFormFor,/oak:index/fpContentType,/oak:index/cqOwnerCanvasPage,/oak:index/cqVariantFamily,/oak:index/damStatus,/oak:index/campaignpath,/oak:index/slingVanityPath,/oak:index/type,/oak:index/contentPath,/oak:index/cq:masterBuildingBlockPath,/oak:index/containeeInstanceId,/oak:index/cqCloudServiceConfigs,/oak:index/slingAlias,/oak:index/cqCugEnabled,/oak:index/active,/oak:index/cq:masterBuildingBlock,/oak:index/cqAcUUID,/oak:index/cqKeywords,/oak:index/cqCloudServiceConfig,/oak:index/cqConf,/oak:index/cq:targetOfferId,/oak:index/postId,/oak:index/verb,/oak:index/extensionType,/oak:index/fpNodeType,/oak:index/guideComponentType,/oak:index/cqMaster,/oak:index/cqIsCommunitySite,/oak:index/deviceIdentificationMode,/oak:index/lockCreated,/oak:index/processingProfile,/oak:index/ec-uuid,/oak:index/slingResources,/oak:index/slingResourceType,/oak:index/subType,/oak:index/slingResourceSuperType,/oak:index/damS7watch,/oak:index/jcrLockOwner,/oak:index/cqTemplate,/oak:index/fragmentPath]"
type="lucene">
<indexRules jcr:primaryType="nt:unstructured">
<cqPage jcr:primaryType="nt:unstructured">
<properties jcr:primaryType="nt:unstructured">
<pageReplicationAction
jcr:primaryType="nt:unstructured"
name="jcr:content/cq:pageReplicationAction"
propertyIndex="{Boolean}true"
type="String"/>
</properties>
</cqPage>
</indexRules>
</jcr:root>