Valmiki Ramayana Ayodhya Kanda Sarga 29 Shloka 11

कृतादेशा carrying out the orders, भविष्यामि I shall become, त्वया सह along with you, गमिष्यामि shall go, अयम् this, कालश्च time, समुत्पन्नः has come, द्विज: brahmin, सत्यवाक् true to his words, भवतु let him be.

I will go with you, true to the prediction of the brahmin. That time has come and let his prediction come to pass.