fragment Vertex on VertexType {
  id
  label
  values {
    key
    value
  }
  contextId
}

mutation CreateVertex($context: GraphContextType!, $label: String!, $data: VertexData!) {
  createVertex(context: $context, label: $label, data: $data) {
    ok
    vertex {
      ...Vertex
    }
  }
}
