Post Builder rapid sequence

[NeilMGW]

I'm slowly working my way through constructing a post processor for my new turning centre using the techniques suggested on the siemens PLM forum. So far I've created an XZC mill as the master and linked a simple turn and an xhead mill as the slaves. The turn post has been pretty straightforward however I'm a bit stuck with the rapid sequence for the XZC mill post and the xhead mill post. As it's a turning centre I need it to rapid along the spindle axis before the longitudinal and traversal axis.

I cannot find a way to reorder them in the rapid move event - in the attached pic I'd like the G0 rap3 M08 block at the top.

Is there a way to resequence them or maybe a custom command to reverse them or another method completely?