Create Macro Buttons with a Macro

This is the full macro code from the Creating Macro Buttons Using a Macro tutorial.

[h:powerSlot=macro.args]
[h:pname=getStrProp(eval("Power"+powerSlot),"powername")]
[h:use=getStrProp(eval("Power"+powerSlot),"usage")]

[h:status=input(
    "addButtons|Yes,No|Add Macro Buttons to your token?|RADIO|ORIENT=H SELECT=1"
)]
[h:abort(status)]

[IF(addButtons==0),CODE:
{
[h,SWITCH(use),CODE:
case "at-will":
{
  [bcolor="green"]
  [fcolor="black"]
  [group="1: Powers - At-Will"]
  [grayout=0]
};
case "encounter":
{
  [bcolor="red"]
  [fcolor="white"]
  [group="2: Powers - Encounter"]
  [grayout=1]
};
case "daily":
{
  [bcolor="black"]
  [fcolor="white"]
  [group="3: Powers - Daily"]
  [grayout=1]
};
case "recharge":
{
  [bcolor="blue"]
  [fcolor="white"]
  [group="3: Powers - Recharging"]
  [grayout=1]
};]

[h:macroProps="autoexec=true;"]
[h:macroProps=setStrProp(macroProps,"color",bcolor)]
[h:macroProps=setStrProp(macroProps,"fontColor",fcolor)]
[h:macroProps=setStrProp(macroProps,"group",group)]
[h:grayoutString=""]
[h,IF(grayout): grayoutString=encode("[h:setMacroProps(" + "'"
                +pname+ "'" + ",'color=gray;' " + ")]")]
[h:command=encode("[h:thisPower="+"'"+pname+"'"+"]")]
[h:command=command+encode("[h:index=getMacroIndexes(thisPower)]")]
[h:command=command+encode("[h:mProps=getMacroProps(index)]")]
[h:command=command+encode("[h:color=getStrProp(mProps,'color')]")]
[h:command=command+encode("[h:used=if(color=='gray', 0, 1)]")]
[h:command=command+encode("[h:abort(used)]")]
[h:command=command + encode("[MACRO('AttackMain@Lib:test'):thisPower]")]
[h:command=command+grayoutString]
[h:createMacro(pname, decode(command), macroProps)]
Buttons added.
};
{
No buttons added to token.
};]