String, contains set of values representing the mask for week days on which the recurring event occurs. Monthly and yearly patterns are only valid for a single day. The default value is "none". When the "RecurrenceType" field is set to "daily", the "DayOfWeekMask" field can only be set to "everyDay"; setting the field to any other value will result in an exception. When the "recurrenceType" field is set to "workdays", the "dayOfWeekMask" field can only be set to "workDays"; setting the field to any other value will result in an exception. When the "recurrenceType" field is set to "weekly", the "dayOfWeekMask" field cannot be set to "none"; doing so will result in an exception being thrown. When the recurrenceType" field is set to "monthly" or "yearly" the "dayOfWeekMask" field is not applicable. Possible values are: none - no specific value. sunday - specifies Sunday. monday - Specifies Monday. tuesday - Specifies Tuesday. wednesday - Specifies Wednesday. thursday - Specifies Thursday. friday - Specifies Friday. saturday - Specifies Saturday. weekendDays - Specifies Saturday and Sunday. workDays - Specifies work days (all days except weekend). everyDay - Specifies every day of the week.

'Declaration
 
Public Property DayOfWeekMask As System.String

public System.string DayOfWeekMask {get; set;}