I need to send json request for multiple users using csv file in jmeter -

I need to send json request for multiple users using csv file in jmeter -

i have csv file containing user names , password, need utilize csv file pass json request im getting internal sever error json cant understand csv files.

please help me need passing json request multiple users.

parse csv using user csv reader , set inputs variables, illustration ${username}, ${password}. then, wherever creating json utilize pre-processor assign these values need go - example, if had template json loaded , had field "username: ", set field equal variable ${username}.

json csv