The Mathematical or date-time expression calculator post function is used for making complex mathematical and temporal calculations, storing the result in a numeric or date-time field.

Select the field to be written with the result of an evaluation of the formula.

The expression must return a number or date/time value.

Choose one or both of the following options:

• Write protection - Do not overwrite the target field if it is already set.
• Update issue immediately - The field update results in a dedicated "Issue updated" event and issue history entry.

Choose which user* will be able to execute this post function. By default, it is set to the Current user.