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This method can be replaced by the .NET replacement method [setAttributesInBatchFlat](🔗).

**Type**: void


sessionIdStringID of the session
recipientListIdlongID of the recipient list
recipientIdsString[ ]IDs of the recipients
attributeNamesString[ ][ ]Field names of the fields (e.g., firstname, lastname etc.) that are to be updated
attributeValuesString[ ][ ]New values for the attributes/fields defined with **attributeNames**<br><br>Each entry must be formatted according to the [formatting rules](🔗).

**Return values**

** **-

**Code structure**