Helper Hooks – Page 73 – Jetpack Developer Resources

action
`jetpack_contact_info_widget_end`
Fires at the end of Contact Info widget.
action
`jetpack_contact_info_widget_start`
Fires at the beginning of the Contact Info widget, after the title.
filter
`jetpack_top_posts_saving`
Filters Top Posts Widget settings before they’re saved.
action
`jetpack_widget_top_posts_after_fields`
Fires after the fields are displayed in the Top Posts Widget settings in wp-admin. Allow adding extra content after the fields are displayed.
filter
`jetpack_supported_media_sideload_types`
Filter the list of supported mime types for media sideloading.
filter
`jetpack_photon_srcset_multipliers`
Filter the multiplier Photon uses to create new srcset items. Return false to short-circuit and bypass auto-generation.
filter
`jetpack_markdown_preserve_pattern`
Allow third-party plugins to define custom patterns that won’t be processed by Markdown.
action
`jetpack_user_authorized`
Fires after user has successfully received an auth token.
filter
`jetpack_open_graph_fallback_description`
Filter the fallback `og:description` used when no excerpt information is provided.
filter
`jetpack_options_whitelist`
Filter the list of options that are manageable via the JSON API.