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Syntax:

IsEmpty()

Returned value:

Type: Boolean.
True indicates that a reference points to no object (empty reference); otherwise it is False.

Description:

Determines whether a reference is empty or not.

Availability:

Thin client, web-client, server, thick client, external connection, Mobile application (server).

Example:

If ArticleReference.IsEmpty() Then
DoMessageBox("Article of trade is not selected!",60);
Return;
EndIf;