how can I test a bit in a arrow

[mister_e]

...
if buffer[1].2 == 1 then ... 'test bit 2 of buffer[1]

(the value is just an exemple)
but "buffer[1].2" don't work and return an error

ERROR Line 93: This style array syntax not supported, (test.pbp)

how can I test a bit in a arrow?

Another idea to test bits of an array variable, use a temp variable

TempVar = Buffer[1]
If TempVar.2 == 1 then.....