The function of DOCK6 (dedicator of cytokinesis 6, Ensembl gene identifier ENSG00000130158) is as follows. Acts as a guanine nucleotide exchange factor (GEF) for CDC42 and RAC1 small GTPases. Through its activation of CDC42 and RAC1, may regulate neurite outgrowth (By similarity). {ECO:0000250, ECO:0000269|PubMed:17196961}.