Hi all,
I am beginner for develop power apps for retrieve the information from sharepoint list - "Cable" and let user to view detail and enable to edit . It has 3 screens, browse screen, detail view screen and edit screen.
In browse screen, there has the drop down menu for user to choose the cable type. It will filter and shown, user can press to view the detail information( detail view screen).
In Detail view screen, it has the edit button that redirect to edit screen for user to edit screen.
I want to change the location datavalue card from textinput to Drop down menu (yellow highlighted in edit screen photo)for user to choose and then update the list. Is it able?
If OK , how to set the drop down menu?
Browse screen:

detail view screen:

edit screen:

Thank you very much for your help.