Built-in Function The value returned by the line size of function is an integer representing the Y height of a line in the specified textual region, in its parent's coordinate system. A line is the height of a character, plus the character's associated vertical inter-cell gap. The value returned is in the parent's coordinates.
In the example below, the key Logo is positioned in N's parent such that it is visually just below the last line of text in N:
green textual region N size 100 100
at position 10 10 in CoData
...
response to ...
change Logo in CoData position to
0 (yposition of N+(ysize of N-(ycursor of N*line
size of N)))