Hi I have a requirement that I have a course Column in my entity which i want to make as simple single Line Text field , but when someone enter the course like I entered Mathmatics so when next time i open up the form this field should appear as dropdown and have the values which i have added previously mathmatics in this case , and if i add physics now and on next time when i open up the form i should be able to see both Mathmatics and physics and so on....
can someone assists me how to achieve that in dynamic365 CRM