link Chained Selects Add-On
This filter allows an import file for the Chained Selects to be provided programmatically. This import file will override any previously uploaded file via the field settings.
This filter limits the number of unique values allowed for each column.
This filter allows the max file size for imported Chained Select files to be controlled.
The filter gform_chained_selects_input_choices is used to modify the choices that will appear in each drop down of a Chained Select field.
Creating Chained Selects
When creating chained selects in Gravity Forms, you will need to create a CSV file that will hold all of your available options.
The Chained Selects field is available when using the Chained Selects add-on. This field will allow you to create various select fields that will dynamically change based on the previous selection.