Need help with darkrp chat commands

Hello, I want to add two darkrp chat commands. It is /do and /try. /try command like /roll command but instead numbers from 1 to 100 i want to add "true" or "false". /do command like /me command but it means action in third person. For example, /me activate lightsaber /dolightsaber is activated
Can someone give me a code of this commands. Help please