Jira SIL code to get x comments from issue

comment.sil

// This is the name of the column "Latest comments SIL" code will need to be optimized (first sil script)
int lastnumOfComments = 3;
string [] allcmt;
number [] allCommentIds = getAllCommentIds(key);
int t = 0;
int arrsize;
int mcomments;

if (!isNull(allCommentIds)) {
 if (size(allCommentIds) < lastnumOfComments){
     return "Not enough comments";
 }
 else {
    arrsize = size(allCommentIds);
    mcomments = arrsize - lastnumOfComments;
        if (mcomments == 0) {
          for(number x in allCommentIds){
            allcmt = allcmt + "\n---Comment---\n" + getCommentById(x).text;
            }
          return allcmt;
          }
        else {
            for(number x in allCommentIds){
              if (t >= mcomments and t <= arrsize){
                allcmt = allcmt + "\n---Comment---\n" + getCommentById(x).text;
                }
              else {
                  t = t + 1;
              }
           }
           return allcmt;
        }
    }
 }
else {
return "No comments available";
}