public String getComment(CommentType commentType, Address address) {
		try {
			long addr = addrMap.getKey(address, false);
			DBRecord commentRec = getCommentAdapter().getRecord(addr);
			if (commentRec != null) {
				return commentRec.getString(commentType.ordinal());
			}
		}
		catch (IOException e) {
			dbError(e);
		}
		return null;
	}
Get the comment for the given type at the specified address.

@param commentType {@link CommentType comment type}
@param address the address of the comment.
@return the comment string of the appropriate type or null if no comment of that type exists 
for this code unit
@throws IllegalArgumentException if type is not one of the types of comments supported
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/CodeManager.java