Filter/Action Reference:
This file will be updated regularly with a complete list of filters and hooks.

/** EXAMPLE(S) *********
//Add desc to all products:
add_filter('getSingleAmazonProduct_manual_array',function( $manual_array ){
  if( is_array( $manual_array ) )
    $manual_array['desc'] = 1;
  return $manual_array;
}, 10, 1);

// return 1 to hide 'in/out of" stock messages
add_filter('apipp_amazon_product_array_filter', function($retArr){
  $retArr['HideStockMsg'] = 1;
  return $retArr;
}, 10, 1); 

// replace with $retArr['NewAmazonPricing']['New']["Price"]
add_filter('amazon_product_array_LowestNewPrice', function($val, $asin, $retArr){
  if(isset($retArr['NewAmazonPricing']['New']["Price"]))
    return $retArr['NewAmazonPricing']['New']["Price"];
    else
      return $val;
}, 10, 3); 

//Replace "New From:" lable text
add_filter('appip_text_newfrom', function($text){
  return '';
}, 10, 1);// replace with "New" or blank
add_filter( 'amazon_product_show_curr_codes', function($val){ return false;});
//----------------------------------

//Add to Plugin Setting Options
function amazon_product_custom_options_options( $options_apipp, $current_tab ){
	// needs tab start  wrapper first - note: 'tab' must match tab name added with 'amazon_product_options_additional_tabs' filter
	$options_apipp[0][] = array( "name" => 'Custom Translations', "id" => 'apipp_translations_tab', "type" => "tab-wrapper-start", "tab" => 'translations', "current_tab" => $current_tab, );
	// Tab heading
	$options_apipp[0][] = array( "name" => 'Custom Label Translations', "type" => "heading");
	// option settings to add
	$options_apipp[0][] = array( "name" =>"By (author):", "id" => 'appip_text_author', "type" => "text", "desc" => '', "width" => '100', 'placeholder' => "By (author):");
	$options_apipp[0][] = array( "name" =>"Director:", "id" => 'appip_text_director', "type" => "text", "desc" => '', "width" => '100', 'placeholder' => "Director:");
	// close the tab wrapper
	$options_apipp[0][] = array( "name" => 'Custom Translations End', "id" => 'apipp_translations_tab_end', "type" => "tab-wrapper-end", );
	// return the options array
	return $options_apipp;
}
add_filter( 'amazon_product_options_additional_options', 'amazon_product_custom_options_options', 10, 2 );
//Add to Plugin Setting Tab
function amazon_product_custom_options_tabs( $tab = array() ){
	// must have slug (lcase, no spaces) and 'name' for the Tab (text on the tab itself)
	return array('slug' => 'translations', 'name' => 'Custom Translactions');
}
add_filter( 'amazon_product_options_additional_tabs', 'amazon_product_custom_options_tabs', 10, 1 );


/**********************
* FILTERS
***********************/
amz_get_fileds_to_cache                           - [array] | return [array] (empty)
amazon_product_in_a_post_blowoffarr_dontuse       - [array] | [array] ('BrowseNodes','SimilarProducts')
amazon_product_in_a_post_plugin_elements_filter   - [array] $retarr | return [array]
amazon_product_in_a_post_plugin_meta_presave      - [string] $mydata | return [string] (meta value)
amazon_product_in_a_post_plugin_shortcode_list	  - [array] $list | return $list[array] - allows you to add to plugin list on shortcode usage page.
amazon_product_post_cache                         - [int] | [int] (3600 = 1 hour)
amazon_product_response_group                     - 2 Params: [string] $ResponseGroup, [string] $RequestBy (amazon-element, amazonproduct, etc) | return [string] ('Large,Reviews,Offers,Variations')
amazon_product_shortcode_help_tabs                - 2 Params: [array] $tabs, [string] $current_tab | return $tabs [array] 
amazon_product_shortcode_help_content             - 2 Params: [array] $content, [string] $current_tab | return $content[array] 
amazon_product_skip_cache_auth                    - [string] | return [string] ('spade') //extra key for skipping cache if needed - debug filter
amazon_featured_post_meta_key                     - [string] | return [string] ('_amazon_featured_url')
amazon-elements-container                         - [string] | return [string] ('div')
amazon-elements-container-class                   - [string] | return [string] ('amazon-element-wrapper')
amazon-product-delete-old-cache                   - [bool] | return [bool] (false)
amazon-product-show-tmce-button                   - 2 Params: [bool] $stop, [string] $typenow | return [bool]
amazon-product-valid-enc-modes                    - [array] Valid Encode Modes | return [array]
apipp_amazon_product_array_filter                 - [array] $RetVal, [array] $Item | return [array]  
appip_pre_request_array                           - [array] | [array] ($api_request_array)
appip_product_array_processed                     - 5 Params: [array] $resultarr, [bool] $apippnewwindowhtml, [array] $resultarr1, [array] $resultarr2, [string] $template | return [array]
appip_shortcode_atts_array                        - [array] $amazon_array | return [array]
appip_single_product_filter                       - 2 Params: [string] $returnval, [array] $resultarr | return [string]
appip_template_replace_array                      - 5 Params: [array] $replacearr, [string] $template, [array] $result, [string]$title, [string] $desc | return [string]
appip_template_add_nofollow                       - [string] $nofollow, [array] $result | return [string]
appip_use_ssl_images                              - [bool] | return [bool] (true)
appip-template-filter                             - 2 Params: [array] $appip_templates, [array] $result | return [array]
appip_metabox_context				  - [string] | return [string] ('normal' or 'side' for gutenberg) (available: 'normal', 'side', 'advanced') 
appip_metabox_priority				  - [string] | return [string] ('high' or 'default' for gutenberg) (available: 'high', 'low', 'default') 
appip_meta_posttypes_support			  - [array] Valid Post Types | return [array] ('post', 'page', 'product')
appip_amazon_button_alt_text			  - 2 Params: [string:required] $alt_text, [string:optional] $ASIN | return [string] $alt_text ("buy now")
getSingleAmazonProduct_asin                       - [array] $asins | return [array]
getSingleAmazonProduct_extrabutton                - [bool] | return [bool] (false)
getSingleAmazonProduct_extratext                  - [string] $extratext | return [string]
getSingleAmazonProduct_manual_array               - [array] $manual_array | return [array]
getSingleAmazonProduct_operation                  - [string] | return [string] ("ItemLookup")
getSingleAmazonProduct_response_group'            - [string] | return [string] ("Large,Reviews,Offers,Variations")
getSingleAmazonProduct_type                       - [string] | return [string] ("ASIN")
amazon_product_options_additional_tabs		  - [string] null | return [array] 'slug' (Slug of Tab - lcase, no spaces), 'name' ('Tab Name Text')
amazon_product_options_additional_options	  - 2 Params: [array:required] $options_apipp, [string:optional] $current_tab | return [array] $options_apipp (options must be an array of items - see example above)
//----------------------------------
// LABEL/TEXT FILTERS
//----------------------------------
appip_amazon_button_url       - [string] $URL, [string] $region (.com,.co.uk, etc.) | return [string] (URL of button) 
appip_text_author             - [string] | return [string] ("By (author):")
appip_text_director           - [string] | return [string] ("Director:")
appip_text_ESRBAgeRating      - [string] | return [string] ("ESRB Rating:")
appip_text_feature            - [string] | return [string] ("Features:")
appip_text_genre              - [string] | return [string] ("Genre:")
appip_text_instock            - [string] | return [string] ("In Stock")
appip_text_lgimage            - [string] | return [string] ("See larger image")
appip_text_listprice          - [string] | return [string] ("List Price:") 
appip_text_manufacturer       - [string] | return [string] ("Manufacturer:")
appip_text_newfrom            - [string] | return [string] ("New From:")
appip_text_notavalarea        - [string] | return [string] ("This item is may not be available in your area. Please click the image or title of product to check pricing.")
appip_text_outofstock         - [string] | return [string] ("Out of Stock")
appip_text_platform           - [string] | return [string] ("Platform:")
appip_text_preorder           - [string] | return [string] ("Preorder:")
appip_text_rating             - [string] | return [string] ("Rating:")
appip_text_reldate            - [string] | return [string] ("Release date:")
appip_text_releasedon         - [string] | return [string] ("This title will be released on")
appip_text_starring           - [string] | return [string] ("Starring:")
appip_text_usedfrom           - [string] | return [string] ("Used from:")
appip_text_rating             - [string] | return [string] ("Rating:")

/**********************
* ACTIONS
***********************/
No current Actions