File: //lib/python3/dist-packages/awscli/examples/appmesh/update-virtual-service.rst
**To update a virtual service**
The following ``update-virtual-service`` example uses a JSON input file to update a virtual service to use a virtual router provider. ::
aws appmesh update-virtual-service \
--cli-input-json file://update-virtual-service.json
Contents of ``update-virtual-service.json``::
{
"meshName": "app1",
"spec": {
"provider": {
"virtualRouter": {
"virtualRouterName": "vrServiceA"
}
}
},
"virtualServiceName": "serviceA.svc.cluster.local"
}
Output::
{
"virtualService": {
"meshName": "app1",
"metadata": {
"arn": "arn:aws:appmesh:us-east-1:123456789012:mesh/app1/virtualService/serviceA.svc.cluster.local",
"createdAt": 1563810859.474,
"lastUpdatedAt": 1563820257.411,
"uid": "a1b2c3d4-5678-90ab-cdef-11111EXAMPLE",
"version": 3
},
"spec": {
"provider": {
"virtualRouter": {
"virtualRouterName": "vrServiceA"
}
}
},
"status": {
"status": "ACTIVE"
},
"virtualServiceName": "serviceA.svc.cluster.local"
}
}
For more information, see `Virtual Services <https://docs.aws.amazon.com/app-mesh/latest/userguide/virtual_services.html>`__ in the *AWS App Mesh User Guide*.