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JWT expression editor

JWT expression parser functions

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The JWT for Jira Cloud expression parser provides a huge set of functionalities to read and manipulate data from Jira issues, users, projects and more.

The main point of contact with the expression parser for the end user is the JWT expression editor.

Depending on what you are doing, you will be presented with different options and functionalities, but in the end it always comes down to writing an expression, which the JWT expression parser will evaluate.

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The parser expression editor saves you time by checking your expression before adding it to a post function, validator, or condition.

No, that's not a nice layout - but just as a hint that an overview of the expression editor (including hints to the different features) right at the top of the page would be a good idea 

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will be evaluated on runtime.

 

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  1. As you type in your expression the syntax check button is synchronized with your expression and you can see if your expression is valid or not.
  2. Click on the syntax check button to review your expression.
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Valid expression: The parser expression entered is valid.

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Parsing error: The parser expression entered is not valid and you can do the following to fix the issue:

  • Check your selected Parsing mode
  • Try an example configuration from the right hand side of the configuration interface



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Parsing modes
Parsing modes
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Read more about all available parsing modes.


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Screencast about The field code injector

Select a field code from the available list to insert the desired field values automatically.

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titleExpression editing area

This is where you can enter a plain text and optionally use Field codes and JWT expression parser functions.

Which options you will actually have depend on the selected Parsing modes.

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A powerful feature of the editing area is auto-completion.

Pressing <CTRL> + <space> will show a searchable list ofJWT expression parser functions and available field codes.

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Highlighting makes it easy to recognize essential parts of the expression.

is a dynamic select list that lists all available field codes. The fields, or their values, will be be replaced with actual values at runtime.

The available fields and their notation depend on the selected Parsing mode. Custom fields are shown if they are defined for a global context or if the "Jira Workflow Toolbox Cloud" user has browse permissions for the respective project. 

Learn more about field codes!

JWT expressionsJira expressions


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Image AddedA few basic examples

Field nameField code (JWT expression)

Field code (Jira expressions)

Summary

%{issue.summary}

issue.summary

Description

%{issue.description}

issue.description

Assignee

%{issue.assignee}

issue.assignee.accountId

Reporter

%{parent.reporter}

issue.parent.reporter.accountId



Syntax check
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titleExample injector

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Need inspiration? Each parsing mode comes with built-in example expressions. If you choose an example from the dropdown menu, the expression will be automatically added to the editing area of the expression editor.

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titleThe run Run button

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By clicking on the run button, a test expression panel is displayed under your expression. To test your expression, do the following:

  1. Select an issue as the current issue
  2. Click on Run

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The result of the expression is displayed. For more detailed test scenarios, please have a look at: Test your expression.


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titleIn-line handbook
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titleBuilt-in examples
Handbook

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Help is just a click away. If you click on the Help button, an in-line handbook will pop up, which provides information about almost any feature of JWT for Jira Cloud - from field codes, to Parsing modes and JWT expression parser functions. In case you have selected the Jira expression mode, the documentation will be opened in a new browser window.


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titleExpression area

This is where you can enter a plain text and optionally use Field codes and functions belonging to the selected parsing mode. 

Which options you will actually have depend on the selected Parsing mode.

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Syntax check

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Image Removed: Valid parsing i.e. The parser expression entered is valid for usage.

Image Removed: Parsing error i.e. The parser expression entered is not valid and you can do the following to fix the issue:

  • Check your expression

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Tech tip: Auto-complete

The expression editor comes with a built-in auto-complete feature. 

Simply press <CTRL> + <space> and get a searchable list of JWT expression parser functions and available field codes.

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  1. As you type in your expression the parser check button is synchronized with your expression and you can see if it is valid or not so far.
  2. Click on the parser check button to review your expression.
  • Check your selected parsing mode
  • Try an example by clicking on the example button
  • Try an example configuration from the right hand side of the configuration interface.
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    Parsing mode selector

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    The following parsing modes are available (depending on the respective parameter):

    • General - works for any text/number/list parameter in post functions, i.e. for adding a comment text
    • Logical - works for conditions in post functions
    • Jira expression - works for every parameter
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    Field code injector

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    Add a field code from the available list to insert the desired field values automatically. The selector allows searching for a specific field.

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    Example selector

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    Insert the parser expression content directly from one of the built-in examples.

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    Help button

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    By clicking on the help button the Expression parser handbook is displayed and you can go through the basics of the JWT for Jira Cloud expression parser and the function library.

    Input area

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    This is where you can enter a plain text and optionally use Field codes.

    One of the features the input area offers is autocompletion: pressing <ctrl><space> shows a searchable list of functions and field codes which are available (see example above).
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    Highlighting makes it easy to recognize essential parts of the expression.



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    DECADIS:Contact support
    DECADIS:Contact support
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