
= Map Functions
:description: Overview of map functions in {page-component-title} to use the severity of an edge in the parent system's reduce function.

The map function defines how to use the severity of an edge in the parent system's reduce function when {page-component-title} calculates the operational status of the business service.

[caption=]
.Map function options
[options="autowidth"]
|===
| Name  | Description

| Identity
| Use the same severity of the edge as the operational status of the business service.

| Increase
| Increase the severity by one level and use it as operational status of the business service.

| Decrease
| Decrease the severity by one level and use it as operational status of the business service.

| SetTo
| Set the operational status to a constant severity value.

| Ignore
| Ignore the input of the edge for operational status calculation.
|===
