The updated project member.

Invalid request (e.g. INVALID_INPUT, INVALID_ROLE, TOO_MANY_ENTRIES).

Invalid or missing API key.

Requires the Enterprise plan (PLAN_NOT_SUPPORTED) and an organization API key (ACTION_FORBIDDEN), or the organization's subscription is not active (UNSUBSCRIBED_ACCESS).

Project not found (RESOURCE_NOT_FOUND), the email is not an organization member (NOT_AN_ORG_MEMBER), or the member was not added to the project directly (RESOURCE_NOT_FOUND).

Method not allowed (METHOD_NOT_ALLOWED).

An email matches more than one user (AMBIGUOUS_MEMBER).

The request body is larger than 1 MB (INVALID_INPUT).