count

Description: Aggregate function that counts the number of non-null, non-false values returned by the allAttributes, allMatchingAttributes, and allDelineatedValues. This function may be used only in conjunction with the allAttributes, allMatchingAttributes, and allDelineatedValues functions.

Subject Type: Any

Arguments: No arguments

Return Type: Number

Examples: Given that the "abc" attribute contains the value "hello world", "xyz" contains "good bye world", and "number_list" contains "1,2,3,4,5" consider the following examples:

Table 1.27. Table 27. count Examples

Expression	Value
`${allMatchingAttributes("[ax].*"):substringBefore(""):count()}`	`2`
`${allAttributes("abc", "xyz"):contains("world"):count()}`	`1`
`${allDelineatedValues(${number_list}, ","):count()}`	`5`
`${allAttributes("abc", "non-existent-attr", "xyz"):count()}`	`2`
`${allMatchingAttributes(".*"):length():gt(10):count()}`	`2`

​count

count