# CustomConnectorSourceProperties
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The properties that are applied when the custom connector is being used as a source.

## Contents
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 ** entityName **   <a name="appflow-Type-CustomConnectorSourceProperties-entityName"></a>
The entity specified in the custom connector as a source in the flow.  
Type: String  
Length Constraints: Maximum length of 1024.  
Pattern: `\S+`   
Required: Yes

 ** customProperties **   <a name="appflow-Type-CustomConnectorSourceProperties-customProperties"></a>
Custom properties that are required to use the custom connector as a source.  
Type: String to string map  
Map Entries: Minimum number of 0 items. Maximum number of 50 items.  
Key Length Constraints: Minimum length of 1. Maximum length of 128.  
Key Pattern: `[\w]+`   
Value Length Constraints: Maximum length of 2048.  
Value Pattern: `\S+`   
Required: No

 ** dataTransferApi **   <a name="appflow-Type-CustomConnectorSourceProperties-dataTransferApi"></a>
The API of the connector application that Amazon AppFlow uses to transfer your data.  
Type: [DataTransferApi](API_DataTransferApi.md) object  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/appflow-2020-08-23/CustomConnectorSourceProperties) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/appflow-2020-08-23/CustomConnectorSourceProperties) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/appflow-2020-08-23/CustomConnectorSourceProperties)