simple temp block

In the gcode, look for the M104 command. Example:
M104 S205 ; set temperature

Then add it to the gcode produced from your slicer, after the end blocks, like this:

...
G92 E0
M104 S200 ; set temperature
G1 Z10.200 F7800.000
...

Set the correct temp based on the Z location from the command: