Field Filters
Image Choice Fields
List Fields
Address Fields
In this documentation section, you will find filter hooks that are available for use to impact the address field in Gravity Forms.
Credit Card Fields
In this section of documentation, you will find filters used to disable the use of the Credit Card field or ones to update Credit Card data.
Date Fields
In this section of documentation, you will find filters used to control the minimum and maximum years that may be set for a Date Field.
Email Fields
In this section of documentation, you will find filters used to modify the Email Field information in Gravity Forms.
File Upload Fields
In this section of documentation, you will find filters used to control File Uploads in Gravity Forms.
Multiselect Fields
In this section of documentation, you will find a listing of hooks available for use in Gravity Forms with the Multiselect Field.
Name Fields
In this section of documentation, you will find a listing of filter hooks available for use in Gravity Forms with the Name field.
Other Fields
Covers all the hooks not related to any of the specifically listed categories.
Password Fields
In this section of documentation, you will find a listing of filter hooks available for use with the Gravity Forms' Password field.
Product Fields
In this section of documentation, you will find a listing of filter hooks available in Gravity Forms available for use with Product fields.
Articles
gform_trim_input_value
Description.
gform_upload_path
This filter is executed before uploading a file (by the File Upload or Post Image fields). It can be used to change the location where uploaded files are stored.
gform_us_states
This filter can be used to modify the choices listed in the US states drop down.