Navigate to Dynamic Share

In ServiceNow's left side navigation window, navigate to Perspectium > Replicator > Dynamic Share or simply type and then click on Dynamic Share. 

Click New. 

Choose Dynamic Share Type

Select Business Rule and click the Submit button.

Create a Dynamic Share 

Select Knowledge in the Table dropdown, and check the Active box. 

Under the Trigger Conditions tab, check the Update box. Then, follow the rest of the steps in Create a ServiceNow dynamic share. 

Navigate to Script Actions 

In ServiceNow's left side navigation window, navigate to System Policy > Events > Script Actions. Then, click New. 

Create Script Action

In the Name field, type in Perspectium Share Knowledge. Select kb.view as the Event name, and check the Active box. 

Then, fill in the Script field with the following: 

pspShareKnowledge();

function pspShareKnowledge() {
	var pspR = new PerspectiumReplicator();
	var tableName = "kb_knowledge";
	
	var kbgr = new GlideRecord(tableName); 
	kbgr.get('sys_id', event.instance);
	kbgr.query();
	if (!kbgr.next())
		return; 
	
	var qc = new GlideRecord('psp_replicate_conf');
	qc.addQuery("table_name", tableName);
	qc.addQuery("sync_direction", "share");
	qc.addQuery("action_update", "true");
	qc.addQuery("active", "true");
	qc.query();
	while(qc.next()) {
		pspR.shareRecord(kbgr, tableName, 'update', qc.sys_id);	
	}
}

Click Submit.