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Supported list types

Number list

This function filters a number list by a given logical expression where ^ is used for referencing the current list value.

It basically iterates over each list element, checks whether the logical expression returns true, and if it does, includes the element in the output.

Syntax
filterByPredicate(numberList, booleanExpression) #Output: Number list
Examples
Parser expressionDescription
filterByPredicate([1, 2, 3, 4], ^ > 2)

This example returns a number list with values greater than 2:

[3, 4]

filterByPredicate([1, 2, 3, 4], modulus(^, 2) = 0)

This example returns a number list with even values:

[2, 4]

To achieve this, the following functions are used:

Additional information

Parameters used in this function

ParameterInput (data type)Description
numberList

NUMBER LIST

Any given number list.
booleanExpression

BOOLEAN

A boolean expression that returns true or false.

^ is used for referencing the current list value.

Output

This function returns a NUMBER LIST


Text list

Variant for text lists. The current list value is referenced by ^%.

Syntax
filterByPredicate(textList, booleanExpression) #Output: Text list
Examples
Parser expressionDescription
filterByPredicate(["book", "rose", "sword"], length(^%) > 4)

This example returns a text list with words that have more than 4 characters:

["sword"]

filterByPredicate(["book", "rose", "sword"], ^% in %{issue.summary} OR ^% in %{issue.description})

This example returns a text list with those words that also appear in the issue's summary or description.

Additional information

Parameters used in this function

ParameterInput (data type)Description
textList

TEXT LIST

Any given text list.
booleanExpression

BOOLEAN

A boolean expression that returns true or false.

^% is used for referencing the current list value.

Output

This function returns a TEXT LIST


Issue list

Variant for issue lists.

Syntax
filterByPredicate(issueList, booleanExpression) #Output: Issue list
Examples
Parser expressionDescription
filterByPredicate(linkedIssues(), ^%{issue.summary} ~ %{issue.summary})

This example returns an issue list with linked issues that have the same summary like the current issue.

To achieve this, the following functions are used:

filterByPredicate(issuesUnderEpic(), ^%{issue.assignee} = null)

This example returns an issue list with all unassigned issues under the current epic.

To achieve this, the following functions are used:

Additional information

Parameters used in this function

ParameterInput (data type)Description
issueList

DATA TYPE

Any given issue list. Usually this value is retrieved from a function (e.g. linkedIssues() or subtasks()).
booleanExpression

DATA TYPE

A boolean expression that returns true or false.

^ in front of field codes is used to reference the list's current issue.

Output

This function returns an ISSUE LIST

This is one of the most powerful functions in JWT since it combines filtering with boolean or logical expressions. 

To freshen up your knowledge or to get some inspiration head over to: