wrike_custom_field_exists: Wrike Custom Field Use by Folder
In aamangold/wriker: Wrike Project Management API Wrapper for R

This function pulls a list of your task ids within a folder that have a specified custom field filled out OR that have the specified value.

1	wrike_custom_field_exists(folder_id, custom_field_id)

`folder_id`	Wrike folder id. Use `wrike_folders` function to determine if needed.
`custom_field_id`	Wrike custom field id or search for a value in the custom fields (ex: a product code). Use `wrike_custom_field_url` function to determine if needed.

A list of all Wrike task ids in a folder that have the specified custom field filled out

1 2	wrike_custom_field_exists(folder_id = "IEAAAOH5I4AB7JFG", custom_field_id = "IEAAAOH5JUAAABQ5") wrike_custom_field_exists(folder_id = "IEAAAOH5I4AB7JFG", custom_field_id = "Solar Inspection")