Accessing parents variabl from iframe

[TurboSRT4]

hello guy hoping for some help her please.

I have a variable in the parent document.
var holdShow = 'true';

how can i access this variable from an iframe?

i tried parent.document.holdShow
and many other things but i just keep getting undefined.

thanks in advance for any help

 

[TurboSRT4]

sorry i got it lol problem was i had the parent variable defined in a function parent.var worked fine