# SegmentLoyaltyTierAxisInput

input type

The loyalty-tier axis input — tierNames must be tiers the named program DECLARES (unknown names refuse teaching the ladder).

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `programId` | [ID](/types/#scalars) `ID!` | yes | No further notes. |
| `tierNames` | [String](/types/#scalars) `[String!]!` | yes | No further notes. |