OData Version 4.0 filter string (limited functionality). Supports only 'and' conjunction ('or' and 'not' are NOT supported). Supported fields and operators are in the below given table.
| Field | Operators |
| --------- | -------- |
| siteId | eq and in |
| siteName | eq and in |
| serialNumber | eq and in |
| deviceName | eq and in |
| deviceType | eq and in |
| upgradeStatus | eq and in |
| firmwareClassification | eq and in |
| firmwareVersion | eq and in |

The operators are implemented as follows:

• eq: Only values exactly matching the given value are returned.

• in: Only values present in the given list are returned.

Comma separated list of sort expressions. Each sort expression is a property name optionally followed by a direction indicator asc(ascending) or desc (descending).
The first sort expression in the list defines the primary sort order, the second defines the secondary sort order, and so on. If a direction indicator is omitted the default direction is ascending.
Supported fields are siteId, serialNumber, deviceName, deviceType, upgradeStatus, firmwareClassification, and firmwareVersion.

Specifies the pagination cursor for the next page of resources. The minimum value is 1.