| title | url | weight | tags | |||
|---|---|---|---|---|---|---|
Gauge |
/refguide/metrics-gauge/ |
20 |
|
{{% alert color="info" %}} This activity can only be used in microflows. {{% /alert %}}
The Gauge activity can be used to set a gauge to a specific value.
An example of gauge properties is represented in the image below:
{{< figure src="/attachments/refguide/modeling/application-logic/microflows-and-nanoflows/activities/metrics-activities/metrics-gauge/gauge-properties.png" alt="Gauge Properties" class="no-border" >}}
There are two sets of properties for this activity, those in the dialog box on the left, and those in the properties pane on the right.
The Gauge properties pane consists of the following sections:
The Action section of the properties pane shows the action associated with this activity.
You can open a dialog box to configure this action by clicking the ellipsis (…) next to the action.
You can also open the dialog box by double-clicking the activity, or right-clicking the activity and selecting Properties.
The name of the gauge for which you want to set a value, which must adhere to the following rules:.
- The name can only contain alpha-numeric characters, dots or underscores.
- The name must start with a letter.
- The name cannot start with
mx, because this prefix is reserved for Mendix internal metrics. - The name is case-insensitive.
{{% alert color="info" %}} It is recommended to use a common prefix that uniquely defines your organisation and application. {{% /alert %}}
The value used to set the gauge to. Values are specified with expressions and should be of type Decimal.
You can specify a list of tags to enrich the gauge name with key/value pairs. See Tag Naming on the Micrometer site for more guidance on using tags.
{{% snippet file="/static/_includes/refguide/microflow-common-section-link.md" %}}