code: public AddCustomAttributesRequest withCustomAttributes(SchemaAttributeType... customAttributes) {
          if (this.customAttributes == null) {
              setCustomAttributes(new java.util.ArrayList<SchemaAttributeType>(customAttributes.length));
          }
          for (SchemaAttributeType ele : customAttributes) {
              this.customAttributes.add(ele);
          }
          return this;
      }
docs: <p>
  An array of custom attributes, such as Mutable and Name.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCustomAttributes(java.util.Collection)} or {@link #withCustomAttributes(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param customAttributes
  An array of custom attributes, such as Mutable and Name.
  @return Returns a reference to this object so that method calls can be chained together.