An example Power-Up that demonstrates how to use the dynamic search in t.popUp().
trello-search-power-up-template by
projects
trello-power-up
trello-oauth
ice-scoring-power-up
trello-attachments-api
trello-power-up-tutorial-part-one
trello-search-power-up-template
trello-power-up-tutorial-part-two
trello-power-up-skeleton
trello-power-up-tutorial-part-three
trello-multi-board-summary
galvanized-rare-green
