use class VMD_EI_API to create vendor

dear abapers，

i use calss VMD_EI_API to create vendor,

codes：

    CALL METHOD VMD_EI_API=>MAINTAIN_DIRECT_INPUT
    EXPORTING
*    IV_TEST_RUN              = SPACE
*    IV_COLLECT_MESSAGES      = SPACE
      IS_MASTER_DATA          = IS_MASTER_DATA
  IMPORTING
    ES_MASTER_DATA_CORRECT  = WA_CORRECT
    ES_MESSAGE_CORRECT      = WA_MES_CORRECT
    ES_MASTER_DATA_DEFECTIVE = WA_DEFECTIVE
    ES_MESSAGE_DEFECTIVE    = WA_MES_ERROR
      .

I have one problem,i do not know which fields can give mobile phone value,

please help me！

best regards