Common Functions [...] . You can drag function block declarations

function block input [...] Function Block Input [...] " for the desired function block

function block. Click [...] to function block instances [...] to its own function block instance

function block instance [...] in function block instances In function blocks, you can

OperationControl function block [...] OperationControl Function Block [...] The function block is used

function block instances A function block [...] function block is marked

of retain function block instances Function block [...] . A function block

function block instance [...] for the function block [...] of function block instances

for the assigned function block [...] function blocks [...] of the same function block

. The functionality [...] {attribute 'ac_persist'} . [...] with this attribute is managed