SAP RKD_SEND_MAIL Function Module for
RKD_SEND_MAIL is a standard rkd send mail SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.
See here to view full function module documentation and code listing for rkd send mail FM, simply by entering the name RKD_SEND_MAIL into the relevant SAP transaction such as SE37 or SE38.
Function Group: KYPR
Program Name: SAPLKYPR
Main Program: SAPLKYPR
Appliation area: K
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function RKD_SEND_MAIL pattern details
In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.CALL FUNCTION 'RKD_SEND_MAIL'".
EXPORTING
I_RKB1D = "Application
I_RKB1X = "Application specifics
TABLES
I_VAR_TAB = "Table of variables
* I_PARAMS_TAB = "
I_TEXT_TAB = "
* I_ADD_SEL_TAB = "
IMPORTING Parameters details for RKD_SEND_MAIL
I_RKB1D - Application
Data type: RKB1DOptional: No
Call by Reference: No ( called with pass by value option)
I_RKB1X - Application specifics
Data type: RKB1XOptional: No
Call by Reference: No ( called with pass by value option)
TABLES Parameters details for RKD_SEND_MAIL
I_VAR_TAB - Table of variables
Data type: CFBVP01Optional: No
Call by Reference: No ( called with pass by value option)
I_PARAMS_TAB -
Data type: MCMAILOBJOptional: Yes
Call by Reference: No ( called with pass by value option)
I_TEXT_TAB -
Data type: TLINEOptional: No
Call by Reference: No ( called with pass by value option)
I_ADD_SEL_TAB -
Data type: CEDSTOptional: Yes
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for RKD_SEND_MAIL Function Module
The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.| DATA: | ||||
| lv_i_rkb1d | TYPE RKB1D, " | |||
| lt_i_var_tab | TYPE STANDARD TABLE OF CFBVP01, " | |||
| lv_i_rkb1x | TYPE RKB1X, " | |||
| lt_i_params_tab | TYPE STANDARD TABLE OF MCMAILOBJ, " | |||
| lt_i_text_tab | TYPE STANDARD TABLE OF TLINE, " | |||
| lt_i_add_sel_tab | TYPE STANDARD TABLE OF CEDST. " |
|   CALL FUNCTION 'RKD_SEND_MAIL' " |
| EXPORTING | ||
| I_RKB1D | = lv_i_rkb1d | |
| I_RKB1X | = lv_i_rkb1x | |
| TABLES | ||
| I_VAR_TAB | = lt_i_var_tab | |
| I_PARAMS_TAB | = lt_i_params_tab | |
| I_TEXT_TAB | = lt_i_text_tab | |
| I_ADD_SEL_TAB | = lt_i_add_sel_tab | |
| . " RKD_SEND_MAIL | ||
ABAP code using 7.40 inline data declarations to call FM RKD_SEND_MAIL
The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.Search for further information about these or an SAP related objects