core.medplumclient.graphql

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MedplumClient.graphql() method

Executes a GraphQL query.

Signature:

graphql(query: string, operationName?: string | null, variables?: any, options?: RequestInit): Promise<any>;

Parameters

Parameter	Type	Description
query	string	The GraphQL query.
operationName	string | null	(Optional) Optional GraphQL operation name.
variables	any	(Optional) Optional GraphQL variables.
options	RequestInit	(Optional) Optional fetch options.

Returns:

Promise<any>

The GraphQL result.

Example 1

Example:

const result = await medplum.graphql(`{
  Patient(id: "123") {
    resourceType
    id
    name {
      given
      family
    }
  }
}`);

Example 2

Advanced queries such as named operations and variable substitution are supported:

const result = await medplum.graphql(
  `query GetPatientById($patientId: ID!) {
    Patient(id: $patientId) {
      resourceType
      id
      name {
        given
        family
      }
    }
  }`,
  'GetPatientById',
  { patientId: '123' }
);

See the GraphQL documentation for more details: https://graphql.org/learn/

See the FHIR GraphQL documentation for FHIR specific details: https://www.hl7.org/fhir/graphql.html