ViewController.swift

import Cocoa

class ViewController: NSViewController {
    var selectData:String = ""
    @IBOutlet weak var menuButton: NSButton!
    @objc func setContextMenu(_ sender: NSMenuItem) {
        if(sender.tag == 1){   //edit
           
            print("edit"+self.selectData)
        }else if(sender.tag == 2){ //delete
            print("delete"+self.selectData)
        }
    }

    func popupMenuForValue(data:String) -> NSMenu {
        var showText:[String] = []
        showText.append("edit")
        showText.append("delete")
        let theMenu = NSMenu(title: "Menu")     // Not used in fact
        theMenu.autoenablesItems = false  // allows to deactivate some items
        var i=1
        for text in showText {
            let item = NSMenuItem(title: text, action: #selector(setContextMenu(_:)), keyEquivalent: "")
            item.tag=i
           
            theMenu.addItem(item)
            i+=1
        }
        return theMenu
    }
    
    @objc func rightClick(_ sender:ClickRecognizer){
        self.selectData = sender.data
        let theMenu = popupMenuForValue(data:sender.data)
        NSMenu.popUpContextMenu(theMenu, with:NSApp.currentEvent!, for: sender.view! )
    }
    
    override func viewDidLoad() {
        let ges = ClickRecognizer()
        ges.target = self
        ges.data = "u07500499"
        ges.buttonMask = 0x2
        ges.numberOfClicksRequired = 1
        ges.action = #selector(rightClick(_:))
        menuButton.addGestureRecognizer(ges)
    }

}

ClickRecognizer.swift

 import Cocoa

class ClickRecognizer: NSClickGestureRecognizer {
    var data:String = ""
}