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I have a for loop that checks over each line and if one meets criteria it will break the loop and display a message. The problem I have is that every time you click Save it's adding a new error message on top of the older one.  I am trying to use message.hide(), but I am having trouble figuring out the correct placement.

```function saveRecord(context) {
    var transaction = context.currentRecord;

    var lineCount = transaction.getLineCount({
      sublistId: "line",
    });
    
    var errorMessage = message.create({
       title: "Missing Departments",
       message: "Please Enter a Department for each line of the Journal Entry",
       type: message.Type.ERROR,
     });
  
    for (var i = 0; i &lt; lineCount; i++) {
      var lineDepartment= transaction.getSublistText({
        sublistId: "line",
        fieldId: "department",
        line: i,
      });

      if (lineDepartment == "") {
       errorMessage.show();
       break;
      } else {
       return true;
    }
  }
}```

Edit: wouldn't it be better to use `N/ui/dialog` instead? 

Yea, now that I am looking at that is probably is