Is there a pattern name for allowing users to add fields?

1. How do you mark a mandatory field?
2. How do you indicate required fields in web design?
3. What are input fields?

How do you mark a mandatory field?

A distinctive sign (“*” symbol, “mandatory” mention, etc.) must be provided in the label of each mandatory field. If a symbol is used to declare mandatory fields, a statement placed at the beginning of the form must indicate that the symbol stands for a mandatory field.

How do you indicate required fields in web design?

Required fields should be indicated with either a symbol or text, not just color. When providing an indicator for a required field, it should be placed right before the form field. This allows a screen reader to read the indicator to a screen reader user right before the user activates the field.

What are input fields?

Input fields are an essential user interface design element, providing users with the means to enter non-standardized responses. They are used in many different situations, but most people will have come across them when entering personal details and delivery addresses on e-commerce web forms or sending online queries.