public OutputGroup withCustomName(String customName) {
        setCustomName(customName);
        return this;
    }
Use Custom Group Name to specify a name for the output group. This value is displayed on the console and can make
your job settings JSON more human-readable. It does not affect your outputs. Use up to twelve characters that are
either letters, numbers, spaces, or underscores.

@param customName
       Use Custom Group Name to specify a name for the output group. This value is displayed on the console and
       can make your job settings JSON more human-readable. It does not affect your outputs. Use up to twelve
       characters that are either letters, numbers, spaces, or underscores.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/OutputGroup.java