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Asterisk (*) next to a form control's label usually indicates it as "required". Oftentimes, this asterisk's purpose is then explained somewhere else on the page.

Fields marked with * are mandatory Using an asterisk (*) symbol content authors notify mandatory field. This is said to be one of the accessible modes of identifying a mandatory field, however this method also will be a problem with screen readers in certain times.

Informally, a required field is an input field on a form that must have a non-blank value to be valid. Conventionally, many flow action forms mark a required field with an orange asterisk ( ).

Providing Star (Asterisk) Symbol This is one of the most widely-adopted methods to notify the users that a form control is required. A star (asterisk) symbol is provided along with the label.

Summary: Using an asterisk to mark required fields is an easy way to improve the usability of your forms. Only marking optional fields makes it difficult for people to fill out the form.

Different ways to make field mandatory : Make the field ?Required? at the time of field creation by checking the ?Required? check box. Make the field Required through Page Layout by checking the ?Required ? checkbook in Field Properties. Validation Rules can also be used to make the field mandatory.

Use asterisks to indicate required fields? Another common approach seen in forms is to mark the mandatory fields with an asterisk and not mark the optional fields. While an asterisk to the left of the label makes it easy to see, it assumes a user understands what this means.

Best Practice 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.