From Xojo Documentation
| This item was deprecated in version 2019r2.
Please use Arrays.Add as a replacement.
Appends a new element to the end of a one-dimensional array, increasing the size of the array by one. The value must match the data type of the array.
|array||Required. The array to be appended.|
|value||The value to be assigned to the new array element.|
The Append method works with one-dimensional arrays only.
This example appends a new element to the end of the names array. The new element becomes the last element of the array.