({
    myAction: function(component, event, helper) {
        component.set("v.Columns", [
            { label: "Name", fieldName: "Name", type: "text" },
            { label: "Email", fieldName: "Email", type: "email" },
            { label: "Phone", fieldName: "Phone", type: "phone" }
        ]);
        var action = component.get("c.getContacts");
        action.setParams({
            recordId: component.get("v.recordId")
        });
        action.setCallback(this, function(response) {
            var state = response.getState();
            if (state === "SUCCESS") {
                var contacts = response.getReturnValue();
                component.set("v.Contacts", contacts);
            } else {
                // Handle error state here
            }
        });
        $A.enqueueAction(action);
    }
})