# SourceReference
<a name="sam-property-connector-sourcereference"></a>

A reference to a source resource that the [AWS::Serverless::Connector](sam-resource-connector.md) resource type uses.

## Syntax
<a name="sam-property-connector-sourcereference-syntax"></a>

To declare this entity in your AWS Serverless Application Model (AWS SAM) template, use the following syntax.

### YAML
<a name="sam-property-connector-sourcereference-syntax.yaml"></a>

```
[Qualifier](#sam-connector-sourcereference-qualifier): String
```

## Properties
<a name="sam-property-connector-sourcereference-properties"></a>

 `Qualifier`   <a name="sam-connector-sourcereference-qualifier"></a>
A qualifier for a resource that narrows its scope. `Qualifier` replaces the `*` value at the end of a resource constraint ARN.  
Qualifier definition varies per resource type. For a list of supported source and destination resource types, see [AWS SAM connector reference](reference-sam-connector.md).
*Type*: String  
*Required*: Conditional  
*CloudFormation compatibility*: This property is unique to AWS SAM and doesn't have an CloudFormation equivalent.

## Examples
<a name="sam-property-connector-sourcereference--examples"></a>

**The following example uses embedded connectors to define a source resource with a property other than `Id`:**

```
Transform: AWS::Serverless-2016-10-31
...
Resources:
  MyApi:
    Type: AWS::Serverless::Api
    Connectors:
      ApitoLambdaConn:
        Properties:
          SourceReference:
            Qualifier: Prod/GET/foobar
          Destination:
            Id: MyTable
          Permissions:
            - Read
            - Write
  MyTable:
    Type: AWS::DynamoDB::Table
    ...
```