added_term_relationship
Action Hook: Fires immediately after an object-term relationship is added.
Source: wp-includes/taxonomy.php:2873
Action Hook: Fires immediately after an object-term relationship is added.
Source: wp-includes/taxonomy.php:2873
Action Hook: Fires immediately before an object-term relationship is deleted.
Source: wp-includes/taxonomy.php:3019
Action Hook: Fires immediately after an object-term relationship is deleted.
Source: wp-includes/taxonomy.php:3036
Action Hook: Fires immediately before an object-term relationship is added.
Source: wp-includes/taxonomy.php:2853