Sets the summary fields configured for the given addressbook.
The fields UID and REV are not optional, they will be stored in the summary regardless of the configured summary.
An empty summary configuration is assumed to be the default summary configuration.
Only ContactFields with the type STRING or BOOLEAN are currently supported as summary fields.
| this | |
| fields |
The array of ContactFields to set as summary fields |
| n_fields |
The number of ContactFields in |