Problem: Save post title with parent post ID using Toolset form
Solution: You can use Toolset Form hook "cred_save_data" to update the post title on fly.
You can find the proposed solution, in this case, with the following reply: https://toolset.com/forums/topic/save-post-title-with-parent-post-name/#post-1176005
Relevant Documentation: https://toolset.com/documentation/programmer-reference/cred-api/#cred_save_data
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