Hi,
This is possible as following:
1/ use the multiple action to distribute the flow in parallel:

Order FILLED at 1.13442 (#411903297 BUY 0.001 mil. EUR/USD @ MKT MAX SLIPPAGE 0.0005) - Position #107060112
Order FILLED at 1.13442 (#411903300 BUY 0.001 mil. EUR/USD @ MKT MAX SLIPPAGE 0.0005) - Position #107060113
Order FILLED at 1.13442 (#411903303 BUY 0.001 mil. EUR/USD @ MKT MAX SLIPPAGE 0.0005) - Position #107060114
2/ Or in a serial way:

Order FILLED at 1.13441 (#411903571 BUY 0.001 mil. EUR/USD @ MKT MAX SLIPPAGE 0.0005) - Position #107060234
Order FILLED at 1.13441 (#411903574 BUY 0.001 mil. EUR/USD @ MKT MAX SLIPPAGE 0.0005) - Position #107060235
Order FILLED at 1.13441 (#411903577 BUY 0.001 mil. EUR/USD @ MKT MAX SLIPPAGE 0.0005) - Position #107060236
Cheers