This page demonstrates injecting GeoJSON features into existing layers
cgpv.api.getMapViewer('map1').layer.setGeojsonSource('geojsonLYR1/blank.json', points1);cgpv.api.getMapViewer('map1').layer.setGeojsonSource('geojsonLYR1/blank.json', points2);cgpv.api.getMapViewer('map1').layer.setGeojsonSource('geojsonLYR1/blank.json', points3);cgpv.api.getMapViewer('map1').layer.replaceFeatureOutfields('geojsonLYR1/blank.json', ['string', 'string', 'string'], ['program', 'title_en', 'project_id'], ['Program', 'Title', 'ID']);