public CreateGroupRequest withGroupName(String groupName) {
        setGroupName(groupName);
        return this;
    }
<p>
The case-sensitive name of the new group. Default is a reserved name and names must be unique.
</p>

@param groupName
       The case-sensitive name of the new group. Default is a reserved name and names must be unique.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-xray/src/main/java/com/amazonaws/services/xray/model/CreateGroupRequest.java