If you need to flush the cache of your AX 7 alias D365 environment you can execute a runable class
https://YOURS.sandbox.ax.dynamics.com/?cmp=dat&mi=SysClassRunner&cls=SysFlushData
Beside that you could also use flush AOD:
https://YOURS.sandbox.ax.dynamics.com/?cmp=dat&mi=SysClassRunner&cls=SysFlushAOD
MS Dynamics 