How to limit diagnosis, Treatment on patient Dashboard

I want to show only 2-3 vistit patient diagnosis and treatment on patient dashboard and add expand for more data but so i config that on dashboard.json file like this but it’s does not work :

        "treatments": {
            "translationKey": "DASHBOARD_TITLE_TREATMENTS_KEY",
            "type": "treatment",
            "dashboardConfig": {
                "showFlowSheet": false,
                "showListView": true,
                "showRoute": false,
                "showDrugForm": false,
                "numberOfVisits": 1,
                "showOtherActive": true,
                "showDetailsButton": false,
                "numberOfVisits":2,
                
            },
            "expandedViewConfig": {
                "translationKey": "DASHBOARD_TITLE_TREATMENTS_KEY",
                "showFlowSheet": false,
                "showListView": true,
                "showRoute": true,
                "showDrugForm": true,
                "numberOfVisits": 1,
                "showOtherActive": true,
                "showDetailsButton": false
            },
            "displayOrder": 4
        },