## GetMembership

`client.Groups.Memberships.Get(ctx, body) (*GroupMembershipGetResponse, error)`

**post** `/gitpod.v1.GroupService/GetMembership`

Gets a specific membership by group ID and subject.

Use this method to:

- Check if a user or service account is a member of a group
- Verify group membership for access control

### Examples

- Check user membership:

  Checks if a user is a member of a specific group.

  ```yaml
  groupId: "d2c94c27-3b76-4a42-b88c-95a85e392c68"
  subject:
    id: "f53d2330-3795-4c5d-a1f3-453121af9c60"
    principal: PRINCIPAL_USER
  ```

### Authorization

All organization members can check group membership (transparency model).

### Parameters

- `body GroupMembershipGetParams`

  - `Subject param.Field[Subject]`

    Subject to check membership for

  - `GroupID param.Field[string]`

### Returns

- `type GroupMembershipGetResponse struct{…}`

  - `Member GroupMembership`

    The membership if found, nil if subject is not a member

    - `ID string`

      Unique identifier for the group membership

    - `AvatarURL string`

      Subject's avatar URL

    - `GroupID string`

      Group identifier

    - `Name string`

      Subject's display name

    - `Subject Subject`

      Subject (user, runner, environment, service account, etc.)

      - `ID string`

        id is the UUID of the subject

      - `Principal Principal`

        Principal is the principal of the subject

        - `const PrincipalUnspecified Principal = "PRINCIPAL_UNSPECIFIED"`

        - `const PrincipalAccount Principal = "PRINCIPAL_ACCOUNT"`

        - `const PrincipalUser Principal = "PRINCIPAL_USER"`

        - `const PrincipalRunner Principal = "PRINCIPAL_RUNNER"`

        - `const PrincipalEnvironment Principal = "PRINCIPAL_ENVIRONMENT"`

        - `const PrincipalServiceAccount Principal = "PRINCIPAL_SERVICE_ACCOUNT"`

        - `const PrincipalRunnerManager Principal = "PRINCIPAL_RUNNER_MANAGER"`

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/gitpod-io/gitpod-sdk-go"
  "github.com/gitpod-io/gitpod-sdk-go/option"
  "github.com/gitpod-io/gitpod-sdk-go/shared"
)

func main() {
  client := gitpod.NewClient(
    option.WithBearerToken("My Bearer Token"),
  )
  membership, err := client.Groups.Memberships.Get(context.TODO(), gitpod.GroupMembershipGetParams{
    Subject: gitpod.F(shared.SubjectParam{
      ID: gitpod.F("f53d2330-3795-4c5d-a1f3-453121af9c60"),
      Principal: gitpod.F(shared.PrincipalUser),
    }),
    GroupID: gitpod.F("d2c94c27-3b76-4a42-b88c-95a85e392c68"),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", membership.Member)
}
```

#### Response

```json
{
  "member": {
    "id": "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
    "avatarUrl": "avatarUrl",
    "groupId": "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
    "name": "name",
    "subject": {
      "id": "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
      "principal": "PRINCIPAL_UNSPECIFIED"
    }
  }
}
```