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（2）From the left navigation menu, go to Contact > Fields.
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（3）Click Add
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（4）Select a . Provide Field name, Display name. b. data type as per your need.
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（5）Provide field details, such as Name, Field length, Help text, or value required. The following example is a Dropdown list type field.
（6）(Optional) Turn on the toggle keys: Visible and Required. The meaning of field settings are as follows:
Visible: Visible fields appear when creating contacts. If you do not need a prebuilt field, turn off the Visible toggle to hide it.
Required: Required fields indicate the information is required when creating a contact.
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（7）Click Save to complete the custom field configuration.
Now when you go to your Agent Console, you will find a custom field that has been added under the Contact tab.
