FilterDescriptor

A basic filter expression. Usually a part of CompositeFilterDescriptor.

For more information, refer to the filterBy method.

field?

The field of the data item to which the filter operator is applied.

ignoreCase?

Determines if the string comparison is case-insensitive.

operator

The filter operator (comparison).

The supported operators are:

• "eq" (equal to)
• "neq" (not equal to)
• "isnull" (is equal to null)
• "isnotnull" (is not equal to null)
• "lt" (less than)
• "lte" (less than or equal to)
• "gt" (greater than)
• "gte" (greater than or equal to)

The following operators are supported for string fields only:

• "startswith"
• "endswith"
• "contains"
• "doesnotcontain"
• "isempty"
• "isnotempty"

value?

The value to which the field is compared. Has to be of the same type as the field.