Declairing global internal table for Delivery order program SAPMV50A

Hi Experts,

We are using more than 3 user exit in delivery creation program, we need the first user exit to pass the data to second and third user exit in the form of internal table, for which we require a global internal table. Please suggest where to declair this global internal table in delivery order program SAPMV50A.

Thank You,

Ganesh Modhave