<button name="force_assign" states="confirmed" string="Force Availability" type="object" class="oe_highlight"/>
<button name="action_process" states="assigned" string="Confirm & Transfer" groups="stock.group_stock_user" type="object" class="oe_highlight"/>
<button name="%(action_stock_invoice_onshipping)d" string="Create Invoice" attrs="{'invisible': ['|','|',('state','<>','done'),('invoice_state','=','invoiced'),('invoice_state','=','none')]}" type="action" class="oe_highlight"/>
<button name="force_assign" states="confirmed" string="Force Availability" type="object" class="oe_highlight"/>
<button name="action_process" states="assigned" string="Confirm & Transfer" groups="stock.group_stock_user" type="object" class="oe_highlight"/>
<button name="%(action_stock_invoice_onshipping)d" string="Create Invoice" attrs="{'invisible': ['|','|',('state','<>','done'),('invoice_state','=','invoiced'),('invoice_state','=','none')]}" type="action" class="oe_highlight"/>