**To update a route** The following ``update-route`` example uses a JSON input file to update the weights for a route. :: aws appmesh update-route \ --cli-input-json file://update-route-weighted.json Contents of ``update-route-weighted.json``:: { "meshName": "app1", "routeName": "toVnServiceB-weighted", "spec": { "httpRoute": { "action": { "weightedTargets": [ { "virtualNode": "vnServiceBv1", "weight": 80 }, { "virtualNode": "vnServiceBv2", "weight": 20 } ] }, "match": { "prefix": "/" } } }, "virtualRouterName": "vrServiceB" } Output:: { "route": { "meshName": "app1", "metadata": { "arn": "arn:aws:appmesh:us-east-1:123456789012:mesh/app1/virtualRouter/vrServiceB/route/toVnServiceB-weighted", "createdAt": 1563811384.015, "lastUpdatedAt": 1563819600.022, "uid": "a1b2c3d4-5678-90ab-cdef-11111EXAMPLE", "version": 2 }, "routeName": "toVnServiceB-weighted", "spec": { "httpRoute": { "action": { "weightedTargets": [ { "virtualNode": "vnServiceBv1", "weight": 80 }, { "virtualNode": "vnServiceBv2", "weight": 20 } ] }, "match": { "prefix": "/" } } }, "status": { "status": "ACTIVE" }, "virtualRouterName": "vrServiceB" } } For more information, see `Routes <https://docs.aws.amazon.com/app-mesh/latest/userguide/routes.html>`__ in the *AWS App Mesh User Guide*.