datahub/datahub-web-react/src/graphql/dashboard.graphql

query getDashboard($urn: String!) {
    dashboard(urn: $urn) {
        ...dashboardFields
        charts: relationships(input: { types: ["Contains"], direction: OUTGOING, start: 0, count: 100 }) {
            ...fullRelationshipResults
        }
        datasets: relationships(input: { types: ["Consumes"], direction: OUTGOING, start: 0, count: 100 }) {
            ...fullRelationshipResults
        }
    }
}

mutation updateDashboard($urn: String!, $input: DashboardUpdateInput!) {
    updateDashboard(urn: $urn, input: $input) {
        urn
    }
}