Open samples - SampleMod_NewWeapon/assets/Weapons/Rifles/SampleWeapon_01/Anims
Then import SampleWeapon_01_Animations.blend to blender. with installed enfusion tools for blender export p_sampleweapon_ik with chosen 501_IK as export profile {F2724584}
After changing name of exported .txa back to original p_rfl_sampleweapon_01_ik.txa then importing it back to enfusion workbench and starting in word editor adding prefab of SampleWeapon_01.et in front of player then starting and picking it up left hand float above character.
{F2724586}
{F2724587}