code: public CreateChannelRequest withInputAttachments(InputAttachment... inputAttachments) {
          if (this.inputAttachments == null) {
              setInputAttachments(new java.util.ArrayList<InputAttachment>(inputAttachments.length));
          }
          for (InputAttachment ele : inputAttachments) {
              this.inputAttachments.add(ele);
          }
          return this;
      }
docs: List of input attachments for channel.
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setInputAttachments(java.util.Collection)} or {@link #withInputAttachments(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param inputAttachments
  List of input attachments for channel.
  @return Returns a reference to this object so that method calls can be chained together.