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Tech review

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Style guide

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Short description

Returns the first element of a number, text, or issue list.

Output

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titlenumber
 
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titletext
 
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titleissue list




Panel

Supported list types

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


Number list

UI Text Box
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typeinfo

This function returns the first element of a number list.


Code Block
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titleSyntax
linenumberstrue
first(listnumberList) #Output: Number


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titleExamples


Parser expressionDescription


Code Block
languagebash
linenumberstrue
%{first([3, 2, 1, 0])}


This example returns:

3



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titleAdditional information

Parameters used in this function

ParameterInput (data type)Description
listnumberList

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titlenumber list

Any given number list.



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titleOutput

This function returns a

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titlenumber

If the number list is empty, the function returns 

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titlenull



Text list

UI Text Box
sizemedium
typeinfo

This function returns the first element of a text list.


Code Block
languagebash
titleSyntax
linenumberstrue
first(listtextList) #Output: Text


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titleExamples


Parser expressionDescription


Code Block
languagebash
linenumberstrue
%{first(["blue", "red", "green"])}


This example returns:

blue


Code Block
languagebash
linenumberstrue
%{first(%{issue.components})}


This exmaple returns the first component of the current issue, e.g:

IT



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titleAdditional information

Parameters used in this function

ParameterInput (data type)Description
listtextList

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titletext list

Any given text list.



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titleOutput

This function returns a

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titletext

If the text list is empty, the function returns 

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titlenull



Issue list

UI Text Box
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typeinfo

The function returns an issue list with the first element of the given issue list.


Code Block
languagebash
titleSyntax
linenumberstrue
first(listissueList) #Output: Issue list


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titleExamples


Parser expressionDescription


Code Block
languagebash
linenumberstrue
%{first(subtasks())}


This example returns the first sub-task of the current issue, e.g.:

IT-9289

To achieve this, the following functions are used:



UI Expand
titleAdditional information

Parameters used in this function

ParameterInput (data type)Description
listissueList

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titleissue list

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



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titleOutput

This function returns an

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titleissue list

If the issue list is empty, the function returns an empty 

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titleissue list