Need a help in tdl code

Dear respected tdl experts and members,
i need a help in this code. i want to copy the value of clip board which is copied by command ctrl+c and use the clip board value in counter.

example i copied number 1 by pressing ctrl+c.
now i want to add this value 1 + 1.
next if i press f3 key last total+1 i.e 2+1
next if i press f3 key last total+1 i.e 3+1
so it goes on like this.


[#Menu :Gate way of Tally]
Add :Button : F3

[Button : F3]
Title : "F3"
Key :F3
Action :Call:Trigger6

[FUNCTION:trigger6]

[SYSTEM : FORMULA]
P1 : counter value + 1

Variable : counter : Number

01: SET : Counter : "copy clip board value" ctrl+c value here
02: Trigger key :ctrl+v,p1,ctrl+c

 

Try this

Code:

[#Menu :Gate way of Tally]
Button: F3

[Button : F3]
Title : "F3~~~" + $$String:##NewValue
Keys:F5
Action:Set:NewValue: $$trigger6:##NewValue 

[FUNCTION:trigger6]
Parameter:P1:Number
Return:Number

01: SET : P1 : ##P1 + 1
10:Return:##P1

   
[Variable:NewValue]
    Type:Number
   
   
[System:Variable]
    NewValue:0