ChaRM: Approval Procedure

Fellow Members,

Is it possible to have 2 Approval procedure for a single transaction type (ZMCR). In the Txn Type settings, If I maintain the filed Appr. Det Procedure filed empty it takes IT Approval Procedure as default and greys out.

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I wish to have a dropdown giving me 2 approval procedure for each Change Request . How will I do this?

Regards,

Vivek