how integrate mysql database to Bonita UI

hi

im new in bonita ... can you help me step by step just one call can understand my question

my question : how connect MySQL database with Benita interfaces .

.i see video how connect MySQL with task but i did not find video how connect it with user interface also

please help

many thanks

this is my number in whats up

00218917218813

eng: sunds 

best regards