OET interlinear HERO (JDG) 10:17

uW Translation Notes:

Note 1 topic: writing-newevent

וַ⁠יִּצָּֽעֲקוּ֙ בְּנֵ֣י עַמּ֔וֹן

(Some words not found in UHB: and,they_were_summoned sons_of ˊAmmōn and,they_encamped in,Gilead and,they_gathered sons_of Yisrael and,they_encamped at,Mizpah )

The author is introducing a new event in the story. The ULT indicates this with the word Now. Use a word, phrase, or other method in your language that is natural for introducing a new event.

Note 2 topic: figures-of-speech / activepassive

וַ⁠יִּצָּֽעֲקוּ֙ בְּנֵ֣י עַמּ֔וֹן

(Some words not found in UHB: and,they_were_summoned sons_of ˊAmmōn and,they_encamped in,Gilead and,they_gathered sons_of Yisrael and,they_encamped at,Mizpah )

If your language does not use this passive form, you could express the idea in active form or in another way that is natural in your language. Alternate translation: [Now the Ammonite commanders summoned their soldiers]