# Role.fromString constructor

Role.fromString(

1. String value

)

## Implementation

    factory Role.fromString(String value) {
      switch (value) {
        case 'moderator':
          return Role.moderator;
        case 'participant':
          return Role.participant;
        case 'visitor':
          return Role.visitor;
        case 'none':
          return Role.none;
        default:
          throw InvalidRoleException();
      }
    }