eq

equal

The attribute and operator values must be identical for a match.

This can be used also to search from an array, for example if the parameter's value is an array of strings ["value1", "value2"] and a filter like parameterName eq "value1" is used, then that object would be returned.

ne

not equal

co

contains

The entire operator value must be a substring of the attribute value for a match.

sw

starts with

ew

end with

pr

present (has value)

gt

greater than

ge

greater than or equal to

lt

less than

le

less than or equal to

and

Logical "and"

The filter is only a match if both expressions evaluate to true.

or

Logical "or"

The filter is a match if either expression evaluates to true.

not

"Not" function

The filter is a match if the expression evaluates to false.

( )

Precedence grouping

[ ]

Complex attribute filter grouping is Not Supported™