$account.isLoaded

Checks if the account whos id is known is loaded.
Syntax
    $account{isLoaded}{accountID}
    $account.isLoaded{accountID}
DocumentationChecks if the account whos id is known is loaded

    Parameters:
      accountID, the id of the account to check if loaded.
    Returns:
      1 if and only if the account is loaded; 0 otherwise.
Examples
GroupSpecial
Minimum required transaction-mode:NONE
Required scripting permission of the developerPERMISSION_FL_EXPERT
Minimum parameters1
Maximum parameters 1