docs: func (c *PinpointEmail) PutEmailIdentityMailFromAttributesRequest(input *PutEmailIdentityMailFromAttributesInput) (req *request.Request, output *PutEmailIdentityMailFromAttributesOutput) {
  	op := &request.Operation{
  		Name:       opPutEmailIdentityMailFromAttributes,
  		HTTPMethod: "PUT",
  		HTTPPath:   "/v1/email/identities/{EmailIdentity}/mail-from",
  	}
  
  	if input == nil {
  		input = &PutEmailIdentityMailFromAttributesInput{}
  	}
  
  	output = &PutEmailIdentityMailFromAttributesOutput{}
  	req = c.newRequest(op, input, output)
  	req.Handlers.Unmarshal.Swap(restjson.UnmarshalHandler.Name, protocol.UnmarshalDiscardBodyHandler)
  	return
  }