The user defined function symbol Input/Output requires additional properties that are defined a letter variable. The letter variables are displayed in the symbol on the P&ID. See attached images. Currently, there are no properties defined for this function symbol and they need to be there and the user should be prompted to place them at the time the symbol is placed.
| How frequently will feature be used? | A few times a day |
| How much time will you save? | 1-2 hours daily |
| Your Industry | Other |
| Other Industry | This applied to all P&ID drawings where function symbols are shown. |