public ModifyUserRequest withAccessString(String accessString) {
        setAccessString(accessString);
        return this;
    }
<p>
Access permissions string used for this user.
</p>

@param accessString
       Access permissions string used for this user.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/ModifyUserRequest.java