> For the complete documentation index, see [llms.txt](https://support.powerio.com/hub/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.powerio.com/hub/orbit/en/projects/projekte/attribute.md).
# Assign and manage attributes
How to maintain the catalog of attributes in powerIO Orbit and assign values to items and collections, for example a year built or an IP address.
Attributes are custom fields on elements in the project tree. The catalog under **Attributes** defines which attributes exist in your organization and which values are allowed. With attributes, you can filter the project tree specifically, for example by trade.
{% hint style="info" %}
Which areas and functions you see in powerIO Orbit depends on your roles and your organization's plan. If a function is missing, contact the **Customer admin** your organization.
{% endhint %}
## Types of attributes
Each attribute has a type. The type determines which values Orbit accepts. An empty value is always allowed.
| Type | Allowed values |
| -------------- | --------------------------------------------------------------------------------------------- |
| **Text** | Any text |
| **Link** | Address with `http://` or `https://`. If not specified, Orbit adds it when saving `https://`. |
| **IP address** | IPv4 or IPv6 address, optionally with a prefix such as `/24` |
| **Number** | Whole number, including negative |
## Create attribute in the catalog
The catalog is managed by the **Customer admin**.
{% stepper %}
{% step %}
### Open the Attributes section
Click in the sidebar on **Attributes**. The list shows all attributes with type and usage.
Attribute catalog
{% endstep %}
{% step %}
### Open the New attribute dialog
Click on **New attribute**. The dialog **New attribute** appears.
{% endstep %}
{% step %}
### Define name, type, and options
Enter under **Label** enter the name and select under **Type** the type. Optional: Adjust the options in the table below the steps.
New attribute dialog in the default setting
{% endstep %}
{% step %}
### Create attribute
Click on **Create**. The attribute appears in the catalog and is available for all elements.
{% endstep %}
{% endstepper %}
| Option | Effect |
| ----------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| **Always show on items (even without a value)** | Orbit displays the attribute on every item, even without a value. |
| **Show as filter attribute** | The attribute is available as a filter in the **Projects** under **Attributes** area. The option is active by default. |
| **Always show as filter** | The attribute gets its own filter button above the project tree. The option requires **Show as filter attribute** . |
## Assigning values to an element
Values can be assigned by anyone whose role allows editing the project tree, for example **Project manager**.
{% stepper %}
{% step %}
### Select element
Click in the sidebar on **Projects** and select the element in the project tree.
{% endstep %}
{% step %}
### Open editing
Click in the section **Attributes** on the pencil icon (**Edit**). The attributes become input fields.
{% endstep %}
{% step %}
### Add attribute
Click on **Add attribute**. Select the attribute under **Label** and enter under **Value** the value.
Edit attributes of an item
{% endstep %}
{% step %}
### Save
Click on **Save**. Orbit reports **Attributes saved**.
{% endstep %}
{% endstepper %}
A value is removed if you click the trash can icon in its row and then save. If the desired attribute is missing under **Label** enter its name in the search field and select the entry with **Create** and the name. Orbit then opens the dialog **New attribute** with this name.
## Sort and delete attributes
The order of the attributes applies to all users, in the details of an item and in the filters. You can change it in the **Attributes** section with the double arrow icon (**Reorder attributes**).
To choose a different type for an attribute already in use, use **Edit** in the attribute menu. Orbit does not convert existing values.
{% hint style="warning" %}
**WARNING**
Data loss when deleting an attribute. Orbit removes the attribute with all values from all elements.
* Before deleting, check the elements Orbit lists in the dialog.
* Enter for confirmation `delete` only if the values are no longer needed.
{% endhint %}
To delete, choose in the attribute menu **Delete**.
---
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