Click the button shown in the picture below to create a Custom field.
You can create a Custom Field based on your requirement. Name your field and choose your desired input format. The field can hold one of the following formats:
String: You can add alphabets, numbers or alphanumerical inputs. Any number that is added will not have a numerical value (cannot be used for definite measure)
Number: You can add numerical values to your field.
Boolean: You can add Boolean Operators. Ex: '1' representing 'True' and '0' representing 'False'.
Date & Time: You can add date, day and time inputs.