> ## Documentation Index
> Fetch the complete documentation index at: https://docs.galxe.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CredentialHolderUpdate

Update Credential holder

**Arguments**

`input: MutateCredItemInput!` required

<Accordion title="Show arguments">
  `credId`: ID!\
  The ID of Credential to be updated

  `operation`: Operation!\
  The operation to execute

  <Accordion title="Show operations">
    * APPEND
    * REMOVE
    * REPLACE
    * CREATE
    * UPDATE
    * DELETE
  </Accordion>

  `items`: \[String!]!\
  A list of addresses to update
</Accordion>

**Credential possible returns**

`Cred`\
[Show fields][Cred Doc]

[Cred Doc]: https://docs.galxe.com/quest/graphql-api/credential/queries/credential