This members-only tutorial provides the steps to define a custom function that takes in a post type, custom field name, and the corresponding custom field value as parameters and returns either true (
1) or false (
'') depending on whether at least one of the entries of the given post type has the given value for the given custom field.
Sample Use Case: Let's say you have an
event CPT with an associated radio button type of custom field called
event_free_ticket that can either have a value of
no. Now you want to display 3 events in a Repeater that is inside a Section and output the Section only if at least one of the three events have
event_free_ticket set to
Add the custom function given below as a Code Snippet and use the built-in Dynamic Data condition's PHP Function Return value on the Section while specifying the function name and the arguments.
Code Snippet title: [Function] At least one entry has specific custom field value
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