FEEDERS & FEEDSTRINGS in Cognos TM1

FEEDERS:
When you use a SKIPCHECK declaration to restore the sparse consolidation in a TM1 rule, you must also ensure that all rules-derived cells are identified by feeder statements. To do this, insert a FEEDERS declaration immediately following all rules statements:
FEEDERS;

Immediately following the FEEDERS declaration you should create feeders statements that identify the rules-derived cells in the cube.

FEEDSTRINGS:
Rule-generated string values are not displayed when a view is zero-suppressed unless the string resides in a cell that is fed.

To enable feeding of string cells, insert the FEEDSTRINGS declaration as the first line of your rule:
FEEDSTRINGS;

Once this declaration is in place, you can set up feeders for string cells in a cube view, and rely on the string to be available to other rules even if the view is zero-suppressed. Statements that define feeders for string cells should be created below the FEEDERS declaration in your rule.

As in the case of numeric feeders, a feed to a consolidated cell results in feeding of all components of the consolidation. Because you can store strings in consolidated cells, you must pay special attention if such cells are used to feed other cells.

Overuse of string feeders can result in calculation explosions and poor application performance.