pub fn ser_describe_application_assignment_input_input(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::describe_application_assignment::DescribeApplicationAssignmentInput,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.application_arn {
object.key("ApplicationArn").string(var_1.as_str());
}
if let Some(var_2) = &input.principal_id {
object.key("PrincipalId").string(var_2.as_str());
}
if let Some(var_3) = &input.principal_type {
object.key("PrincipalType").string(var_3.as_str());
}
Ok(())
}