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changes.mady.by.user Iheb Kharab

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Short descriptionReturns a  Statussubtletruetitlelist in l that validate predicate.Output Statussubtletruetitlenumber list Panel

Supported list types

Table of Contents
exclude(Supported list types).*
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Number list

in l that validate predicate.Argument predicate is a boolean expression, where filters a number list by a given logical expression where ^ is used for referencing numeric values in argument lthe 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.

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The This function returns a 

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titlenumber list


Code Block
languagebash
titleSyntax
linenumberstrue
filterByPredicate(number list lnumberList, boolean expression predicatelogicalExpression) #Output: Number list


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titleExamples


Parser expressionDescription


Code Block
languagebash
linenumberstrue
filterByPredicate([1, 2, 3, 4], ^^% > 2)


The function returns a

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

[3, 4]


Code Block
languagebash
linenumberstrue
filterByPredicate([1, 2, 3, 4], remaindermodulus(^^%, 2) = 0)


The function returns a

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titlenumber list
of This example returns a number list with even values:

[2, 4]

To achieve this, the following functions are used:

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For additional mathematical functions, see Numbers.




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titleAdditional information

Parameters used in this function

ParameterInput (data type)Description
<parameter>numberList

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titledata typenumber list

Any given number listParameter description.
<parameter>logicalExpression

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title

data type
text

A logical expression that returns true or false.

^ is used for referencing the field codes of the seed issue

Parameter description

.



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The This function returns a

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titlenumber list



Text list

with texts in l that validate predicate. Argument predicate is a boolean expression, where ^% is used for referencing string values in argument lVariant for text lists. The current list value is referenced by ^%.

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Returns a

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titletext list


Code Block
languagebash
titleSyntax
linenumberstrue
filterByPredicate(string list ltextList, boolean expression predicatelogicalExpression) #Output: Text list


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titleExamples


: ["sword"]

Parser expressionDescription


Code Block
languagebash
linenumberstrue
filterByPredicate(["book", "rose", "sword"], length(^%) > 4)


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

The function returns a

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titletext list


Code Block
languagebash
linenumberstrue
filterByPredicate(["book", "rose", "sword"], ^% in %{00000issue.summary} OR ^% in %{00001})
The 
issue.description})


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



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titleAdditional information

Parameters used in this function

ParameterInput (data type)Description
textList

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titletext list

Any given text list.
logicalExpression

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titletext

A logical expression that returns true or false.

^% is used for referencing the field codes of the seed issue.



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titleOutput

This function returns a

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titletext list



Image AddedIssue list

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Variant for issue lists.


Code Block
languagebash
titleSyntax
linenumberstrue
filterByPredicate(issueList, logicalExpression) #Output: Issue list


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titleExamples


with those strings in first argument that also appear in issue Summary or Description
Parser expressionDescription


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languagebash
linenumberstrue
filterByPredicate(linkedIssues(), ^%{issue.summary} ~ %{issue.summary})


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


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


This example returns an issue list with all unassigned issues under the current epic (see issuesUnderEpic()).


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languagebash
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filterByPredicate(linkedIssues("blocks"), ^%{issue.resolution} = null AND ^{issue.priority} < {issue.priority})


This example returns an issue list with unresolved blocked issues with a higher priority than the current issue

.



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titleAdditional information

Parameters used in this function

ParameterInput (data type)Description
<parameter>issueList

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titledata type

Parameter description.

issue list

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

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title

data type
text

A logical expression that returns true or false.

^% is used for referencing the field codes of the seed issue

Parameter description

.



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titleOutput

This function returns an

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titleissue list


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typetip

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:


Image AddedUse cases and examples

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firstcolumnUse case
headingsJWT feature, Workflow function, Field type, Automated action, Parser functions
cqllabel = "parser_func_filterbypredicate" and space = currentSpace()


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Parser function cloud
Map(question)
Notes

Workaround

Text list

Code Block
languagebash
let list = ["abc", "def", "ghij", "klmn"];
list.filter(t=> t.length>3)

Number list

Code Block
languagebash
let list = [3,2,5,1,6,0];
list.filter(t=> t>3)


Issue list

Code Block
languagebash
let current = issue;
let list = issue.links.map(l=>l.linkedIssue);
list.filter(i=>i.priority>=issue.priority)

It won't be possible to use the seed itself, but as long as you have the current issue and the list of issues in variables, it's possible to replicate the functionality.




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The function returns a
Short description

Filters a number, issue, or a text list by a given logical expression.

Output

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text list

list

Available since

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Label

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