# Create contact attributes
**Contact attributes** let you store information about individual people in your database — such as their name, email, preferences, or behavioral data.\
You can use these attributes to segment contacts, personalize campaigns and trigger automations.
### **Go to the Contact Attributes Section**
* From the main navigation, go to Marketing → **Audience** → **Contacts**
* Under 3 Dots menu, click **Contact attributes**.
* On the Attributes tab, click on **+New Attribute**
* Search for existing attributes before you create a new one to avoid duplicates. Bird creates many standard attributes already for you
* Display Name
* First Name
* Last Name
* Gender
* Language
* Country Code
* Country Name
* City
* Province
* Province Name
* Address 1
* Address 2
* Postal Code
* Birthday
* Subscription Attributes:
* Email Subscription
* SMS Subscription
* WhatsApp Subscription
* RCS Subscription
* Push Subscription
### Create Attribute
If you want to create your own custom attribute, click on +New Attribute and provide following details:
* **Display Name:** This is the name which is shown in the Bird UI for users. It can be edited later
* **Description:** Add optional description which will show as a help text. It can be edited later
* **Internal Name:** This is a unique internal name for this attribute which will be auto-filled based on display name. It can only have small letters and no spaces. Once created, it cannot be edited.
* **Type:** Select the data type such as Text, Date, Number, Select options etc. Once created, type cannot be edited.
* **Editable:** Select if the attribute values can be edited manually in the UI by the users.
There are following data types available:
#### **Text**
In addition to the common fields, you can define if the text field has
* Can have multiple lines of text
For multiple lines of text, here is an example of what the input would look like if you used it for address:
#### **Select**
In addition to the common fields, you can define if the attribute has
* Options: UI Labels and internal names (Value)
* Has multiple values
#### **Number**
In addition to the common fields, you can define if text field has
* Has decimal places and how many
#### **Date and Date & Time**
You can select based on whether your attribute will accept only date (day, month, year) or timestamp as well
#### **Toggle**
You can select whether your data type is boolean and will accept only True/False values
* You can define the default value - empty, true (on), false (off)
#### **URL**
This is generally used to capture any web links and you can select if it
* Has multiple values
#### **Email Address or Phone Number**
This is generally used to capture email address and phone numbers. You can define if this attribute
* Has multiple values
#### **Tags**
This is used when there could be one or more free form text values for an attribute
### Importing attributes for bulk creation
You can also create attributes in bulk using Import option.
### Add values to contact attributes
Once the attribute is created, you can add their values using following methods:
* **Manual update:** Edit a contact record directly from the UI.
* **CSV import:** Upload a file with a column that matches the attribute internal name.
* **API:** Include the attribute in the contact create/update API call.
* **Integrations:** Sync data automatically from external sources (e.g., CRM, Ads, forms).
* **Flows/Journeys:** Use rules to auto-set values based on events or other data in a flow or journey
### Managing contact attributes
* You can edit **display name** and **description** anytime. You can edit if it is editable or not.
* You can **archive** unused attributes. You cannot delete an attribute
* You cannot edit the internal name
* You can add new options to Select type attribute
