[otrs] Bulk actions on free text/dynamic fields ?

Hi all, Is there a way to authorize bulk actions on ticket free text or dynamic fields ? I added a field “deliveryRevision” and I would like my agents are able to change the value of this field in bulk action screen along side to change state from ‘open’ to ‘close successful’. I didn’t see where I can configure that behavior in the system conf pages. Can anyone help me ? Egareg JAOUEN