Bicep Module Example

main.bicep

param inputA string

module mymod './module.bicep' = {
  name: 'mymod'
  params: {
    inputB: inputA
  }
}

output outputA string = mymod.outputs.outputB

main.json

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "inputA": {
      "type": "string"
    }
  },
  "functions": [],
  "resources": [
    {
      "type": "Microsoft.Resources/deployments",
      "apiVersion": "2019-10-01",
      "name": "mymod",
      "properties": {
        "expressionEvaluationOptions": {
          "scope": "inner"
        },
        "mode": "Incremental",
        "parameters": {
          "inputB": {
            "value": "[parameters('inputA')]"
          }
        },
        "template": {
          "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
          "contentVersion": "1.0.0.0",
          "parameters": {
            "inputB": {
              "type": "string"
            }
          },
          "functions": [],
          "resources": [],
          "outputs": {
            "outputB": {
              "type": "string",
              "value": "[parameters('inputB')]"
            }
          }
        }
      }
    }
  ],
  "outputs": {
    "outputA": {
      "type": "string",
      "value": "[reference(resourceId('Microsoft.Resources/deployments', 'mymod'), '2019-10-01').outputs.outputB.value]"
    }
  },
  "metadata": {
    "_generator": {
      "name": "bicep",
      "version": "0.3.126.58533",
      "templateHash": "18203976961200866954"
    }
  }
}

module.bicep

param inputB string

output outputB string = inputB