i have Action:App Switcher added in Menu Items- with named mymenu, parent menu Purchases/Purchase, full path: Purchase/mymenu  Action: App Switcher with url to run.
all my above define action is running as per expectations but i do want to get the xml/ souce coding of that action. where can i get this, i mean a file name and path of this source? please asssist.

im using odoo10, with ubuntu 10.