It was narrated from Yahya bin Al-Walid bin 'Ubadah bin As-Samit that his grandfather said:"The Messenger of Allah (ﷺ) said: 'Whoever fights in the cause of Allah intending only to get an 'Iqal, he will have what he intended
Hadith No. 3138
Sunan an Nasai
Gradings:
Abu Ghuddah:
Hasan
Al-Albani:
Hasan
Zubair Ali Zai:
Isnaad Hasan