Update the target app to use the new credential

Update the target app to use the new application key credential that you just shared. When you update the target app with the source app's key ID kid, the target app starts using the same certificate to sign assertions.

Request: PUT /api/v1/apps/0oa8ae0dv4RGQvjyZ0h7

{
  "name": "myorg_app2",
  "signOnMode": "SAML_2_0",
  "credentials": {
    "signing": {
      "kid": "w__Yr9AElCftDtLP5CmjzZFMKXndqHtx7B3QPkg8jrI"
    }
  }
}

Response:

{
  "id": "0oa8ae0dv4RGQvjyZ0h7",
  "name": "myOrg_app2",
  "label": "App 2",
  "status": "ACTIVE",
  "lastUpdated": "2016-10-03T16:53:50.000Z",
  "created": "2016-09-27T22:53:34.000Z",
  "visibility": {
    "autoSubmitToolbar": false,
    "hide": {
      "iOS": false,
      "web": false
    },
    "appLinks": {
      "myorg_app2_link": true
    }
  },
  "features": [],
  "signOnMode": "SAML_2_0",
  "credentials": {
    "userNameTemplate": {
      "template": "${source.login}",
      "type": "BUILT_IN"
    },
    "signing": {
      "kid": "w__Yr9AElCftDtLP5CmjzZFMKXndqHtx7B3QPkg8jrI"
    }
  },
}

Note: The response has been truncated for clarity.