Did the Northern Expeditionary Army refer to the Communist Party at that time?

The Northern Expeditionary Army is not the Communist Party, but it has the participation of the Communist Party.

On September 4, 1924, Sun Yat-sen formed the Northern Expeditionary Army. On September 3, 1924, the Kuomintang Central Political Conference held its seventh meeting. Sun Yat-sen, Wu Chaoshu, Qu Qiubai, and Borodin attended and the resolution was: Published The declaration of the Northern Expedition and the declaration of moving the base camp to Shaoguan called for the Northern Expedition to "oppose imperialism" and "oppose the northern warlords", and united with Lu Yongxiang and Zhang Zuolin to "fight the Zhili Clique". On the 4th, Sun Yat-sen formed the Northern Expeditionary Army in Guangzhou. On the same day, Sun Yat-sen held a meeting to prepare for the Northern Expedition at the Generalissimo's Mansion, and decided that all the Hunan, Jiangxi, and Henan armies would participate in the Northern Expedition. The Yunnan-Guangdong Army would dispatch a detachment of troops to accompany them; the base camp would be moved to Shaoguan, and a stay-at-home office would be set up in Guangzhou. Hu Hanmin would be appointed Acting Generalissimo and Guangdong Commander-in-Chief. Governor; with Tan Yankai as commander-in-chief of the Northern Expeditionary Army.