The Nr parameter sets a record filter for a navigation query.

When used with an EQL request, the Nr parameter acts as a prefilter. That is, it restricts the set of records that are visible to the Nrs parameter. Because it is a prefilter, the Nr parameter is especially useful as a security filter to control the records that a user can see. It is also useful to explicitly exclude certain records from being considered in the rest of the query (for example, for spelling suggestions).

When using the Nr parameter, keep in mind that only the records that pass the Nr filter are even considered in Nrs. For example, if you have Book records and Author records, both of these record types would have to pass the Nr record filter logic in order for the Nrs parameter to determine relationships between Books and Authors.

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