mapkitjs-coordinate.js

// 1
let coordinate = new mapkit.Coordinate(venue.spatial.latitude, venue.spatial.longitude);

// 2
let options = {
    url : {
        1 : "images/venues/" + venue.id + "@1x.png",
        2 : "images/venues/" + venue.id + "@2x.png",
        3 : "images/venues/" + venue.id + "@3x.png"
    },
    size : {
        width : 50,
        height : 50
    },
    accessibilityLabel : venue.title
};

// 3
var annotation = new mapkit.ImageAnnotation(coordinate, options);

// Clustering setup
annotation.clusteringIdentifier = "AustriasCollectionCluster";
annotation.collisionMode = mapkit.Annotation.CollisionMode.Circle;

annotation.displayPriority = mapkit.Annotation.DisplayPriority.High;