railwayapp 4.11.2

mutation EnvironmentCreate($projectId: String!, $name: String!, $sourceId: String, $applyChangesInBackground: Boolean) {
  environmentCreate(
    input: {projectId: $projectId, name: $name, sourceEnvironmentId: $sourceId, applyChangesInBackground: $applyChangesInBackground}
  ) {
    name,
    id
  }
}