How to write a mutation in GraphiQL?

I have a scheme in graphql
input: EventInput!
usersIds: [ID]
roomId: ID!
): Event

in EventInput
title: String!
dateStart: Date!
dateEnd: Date!

help please to write the request to create Eventa.
did not get to add usersIds: [ID] and roomId: ID!
June 10th 19 at 14:25
0 answer

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