The table nav_sub handles the backend sub navigation.

Sub navigation is a systemwide ressource.

Field name	Field specification	Comment / Explanation
idnavs	int(11)	Primary key (auto increment)
idnavm	int(11)	Foreign key to table nav_main
idarea	int(11)	Foreign key to table area
level	int(11)	Level of the menu entry
location	varchar(255)	Location in the navigation.xml
online	tinyint(1)	Flag whether this navigation entry is active or not

ItemCollection	Item
cApiNavSubCollection	cApiNavSub

This table was not changed since the final release of CONTENIDO 4.9.

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