My example:
xfreerdp "$RDPW_FILE" /u:"$RDP_USERNAME" /p:"$RDP_PASSWORD" /sec:nla /cert:ignore +clipboard /multimon /monitors:0 /gateway:type:arm /network:auto /gfx:AVC444 /rfx /dynamic-resolution
Keep in mind that I was using for accessing Windows machine... Some flags might need to be a bit different
women are going home to get some random question