Action fired when the user attempts the registration.
jetpack_pre_register
jetpack_pre_register-
filter -
filter jetpack_is_standalone_blockReturns true if the block is not being registered within a Jetpack plugin context.
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filter jetpack_licensing_ui_enabledFilter that checks if the user is allowed to see the Licensing UI. `true` enables it.
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filter jetpack_pre_connection_jitmsAllows filtering of the pre-connection JITMs. This filter allows plugins to add pre-connection JITMs that will be displayed by the JITM package.
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action jetpack_podcast_helper_list_quantityAllow requesting a specific number of tracks from SimplePie’s `get_items` call. The default number of tracks is ten. Deprecated. Use jetpack_podcast_helper_tracks_quantity filter instead, which takes one less parameter.
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filter jetpack_display_jitms_on_screenFilter to hide JITMs on certain screens.
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filter PAYWALL_FILTERFilter the Jetpack_Token_Subscription_Service class.
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filter earn_get_user_subscriptions_for_site_idFilter the subscriptions attached to a specific user on a given site.
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action jetpack_earn_remove_cache_headersFires when a visitor can view protected content on a site.
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filter jetpack_calypsoify_override_navFilters whether Calypsoify should override the navigation.
Jetpack Developer Resources 