The starting screen of the mobile app is called the Reference Screen. This can be customized several different ways.
Default Setting: This will allow customers to enter any letter or number.
Capitalization: One step further is selecting if you want to customize how letters are capitalized
None: no letters will be auto capitalized, but the user can still do this manually with their keyboard
First Letter: This will default the first letter to be capitalized
All Letters: This will make all letters be capitalized.
Numeric: Only numbers can be entered for this option
Numeric & Punctuation: Numbers and punctuation can be entered in this option