Mixing Parameters in Logic Apps with ARM Template

template-parameters-locations.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",

  // Parameters for ARM template
  "parameters": {
  ...
  },
  "variables": {
  ...
  },
  "resources": [
    // Resource for Logic App
    {
      "apiVersion": "2016-06-01",
      "type": "Microsoft.Logic/workflows",
      "properties": {

        // Parameters under the "properties" of Logic App resource
        "parameters": {
          "$connections": {
            "value": {
            ...
            }
          }
        },
        "definition": {
          "$schema": "https://schema.management.azure.com/providers/Microsoft.Logic/schemas/2016-06-01/workflowdefinition.json#",

          // Prameters under the "definition" of Logic App
          "parameters": {
            "$connections": {
              "defaultValue": {},
              "type": "Object"
            }
          },
          "triggers": {
          ...
          },
          "actions": {
          ...
          },
          "outputs": {}
        }
      }
    }
  ],
  "outputs": {}
}