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JWT expression editor

JWT expression parser functions

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It is We highly recommended to test your Jira expression before publishing the workflow.

To test an expression simply select an existing issue and click on Evaluate.

You might encounter the following four responses :

5 steps to test your expression

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Type in your expression or select one of the built-in examples.


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Click on the Run button Image Added


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Select an issue you want to test your expression with.


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(tick) The value returned by the expression

In order to deal as a condition, the Jira expression expects the return of a boolean true or false. When developing the expression used as a condition it may help to evaluate intermediate results that do not return a boolean value.

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If you just enter a field code without any comparison operator you will simply get the value as a response!

In this use case, "Task" will be returned as the current issue type.

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When storing this expression as it is, the condition evaluates to false, since with Jira's expressions any non-boolean value will be considered as false.

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(tick) True

This response indicates that the expression itself is valid and the test issue (KANBAN-1) is in a status called "To Do"

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(tick) False

This response indicates that the expression itself is valid but the test issue (KANBAN-1) is NOT in a status called "ToDo"

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Confirm your selection by clicking on Run


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Check the resulting output or analyze the errors.



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titleSyntax check

Before running your expression against a certain issue, it's recommended to check if the syntax is correct.

The syntax check button shows if the current expression in the input field is syntactically correctImage Added or not Image Added. The background check runs at least one second after the last input, but you can also push the Syntax button for instant results.

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titleThe 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 that you want to test your expression with (as the current issue).
  2. Click on Run


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titleError messages

Even if the syntax of the expression is correct, it may happen that the expression result is erroneous, e.g. when fields are empty.

In the example below the value of the custom number field "cf10041" is returning a value which is not valid parameter for the function substring().

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titleOutput of different data types

Depending on the Parsing modes and the expression itself, different Data types are being returned as a result of the expression.

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titleGeneral mode

Expressions written in the General mode will return texts.

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titleLogical mode

Expressions written in the Logical mode will return a boolean value of true or false.

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titleJira expression mode

Expressions written in the Jira expression mode will return objects based on Data types (Jira expressions).

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titleTesting a complex expression

When composing complex expressions, e.g. in Logical mode or the Jira expression mode, where you compare values we recommended to:

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Create individual expressions for the operands of the comparison.


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Test each expression separately within the selected Parsing modes.


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Merge the individual expressions and test the complete expression

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Error

There is a syntax error in the specified expression. In this case a missing ' at the end of the expression.

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