## Update contact card

`client.ContactCard.Update(ctx, params) (*SetContactCard, error)`

**patch** `/v3/contact_card`

Partially updates an existing active contact card for a phone number.

Fetches the current active contact card and merges the provided fields.
Only fields present in the request body are updated; omitted fields retain their existing values.

Requires an active contact card to exist for the phone number.

### Parameters

- `params ContactCardUpdateParams`

  - `PhoneNumber param.Field[string]`

    Query param: E.164 phone number of the contact card to update

  - `FirstName param.Field[string]`

    Body param: Updated first name. If omitted, the existing value is kept.

  - `ImageURL param.Field[string]`

    Body param: Updated profile image URL. If omitted, the existing image is kept.

  - `LastName param.Field[string]`

    Body param: Updated last name. If omitted, the existing value is kept.

### Returns

- `type SetContactCard struct{…}`

  - `FirstName string`

    First name on the contact card

  - `IsActive bool`

    Whether the contact card was successfully applied to the device

  - `PhoneNumber string`

    The phone number the contact card is associated with

  - `ImageURL string`

    Image URL on the contact card

  - `LastName string`

    Last name on the contact card

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/linq-team/linq-go"
  "github.com/linq-team/linq-go/option"
)

func main() {
  client := linqgo.NewClient(
    option.WithAPIKey("My API Key"),
  )
  setContactCard, err := client.ContactCard.Update(context.TODO(), linqgo.ContactCardUpdateParams{
    PhoneNumber: "+15551234567",
    FirstName: linqgo.String("John"),
    ImageURL: linqgo.String("https://cdn.linqapp.com/contact-card/example.jpg"),
    LastName: linqgo.String("Doe"),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", setContactCard.FirstName)
}
```

#### Response

```json
{
  "phone_number": "+15551234567",
  "first_name": "John",
  "last_name": "Doe",
  "image_url": "https://cdn.linqapp.com/contact-card/example.jpg",
  "is_active": true
}
```