OTRS - Manual
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# Customer User Backend

There are two existing customer user backends, DB and LDAP. Of course if you have an existing customer repository (e. g. SAP, ...) it's possible to write an own backend.

## Database (default)

This is an example for a database backend.

        [Kernel/Config.pm]
        # CustomerUser
        # (customer user database backend and settings)
        $Self->{CustomerUser} = {
            Module => 'Kernel::System::CustomerUser::DB',
            Params => {
                Table => 'customer_user',
            },
            # customer uniq id
            CustomerKey => 'login',
            # customer #
            CustomerID => 'customer_id',
            CustomerValid => 'valid_id',
            CustomerUserListFields => ['login', 'first_name', 'last_name', 'email'],
            CustomerUserSearchFields => ['login', 'last_name', 'customer_id'],
            CustomerUserNameFields => ['salutation', 'first_name', 'last_name'],
            Map => [
                # note: Login, Email and CustomerID needed!
                # var, frontend, storage, shown, required, storage-type, http-link
                [ 'UserSalutation', 'Salutation', 'salutation', 1, 0, 'var' ],
                [ 'UserFirstname', 'Firstname', 'first_name', 1, 1, 'var' ],
                [ 'UserLastname', 'Lastname', 'last_name', 1, 1, 'var' ],
                [ 'UserLogin', 'Login', 'login', 1, 1, 'var' ],
                [ 'UserPassword', 'Password', 'pw', 0, 1, 'var' ],
                [ 'UserEmail', 'Email', 'email', 0, 1, 'var' ],
    #            [ 'UserEmail', 'Email', 'email', 1, 1, 'var', '$Env{"CGIHandle"}?Action=\
    AgentCompose&ResponseID=1&TicketID=$Data{"TicketID"}&ArticleID=$Data{"ArticleID"}' ],
                [ 'UserCustomerID', 'CustomerID', 'customer_id', 0, 1, 'var' ],
                [ 'UserComment', 'Comment', 'comment', 1, 0, 'var' ],
                [ 'ValidID', 'Valid', 'valid_id', 0, 1, 'int' ],
            ],
        };
        [...]

If you want to customize your customer user information, change (add) you table columns e. g.

    ALTER TABLE customer_user ADD phone VARCHAR (250);

And add your new column to your MAP array like:

                # var, frontend, storage, shown, required, storage-type, http-link
                [ 'UserPhone', 'Phone', 'phone', 1, 0, 'var' ],

Of course you will be able to maintain all this customer user information via the Admin-Interface.

## LDAP

If you have an existing LDAP tree with your customer users then you will be able to use this LDAP tree in your OTRS system.

This is an example for a LDAP backend.

        [Kernel/Config.pm]
        # CustomerUser
        # (customer user ldap backend and settings)
        $Self->{CustomerUser} = {
            Module => 'Kernel::System::CustomerUser::LDAP',
            Params => {
                # ldap host
                Host => 'bay.csuhayward.edu',
                # ldap base dn
                BaseDN => 'ou=seas,o=csuh',
                # search scope (one|sub)
                SSCOPE => 'sub',
                # The following is valid but would only be necessary if the
                # anonymous user does NOT have permission to read from the LDAP tree
                UserDN => '',
                UserPw => '',
            },
            # customer uniq id
            CustomerKey => 'uid',
            # customer #
            CustomerID => 'mail',
            CustomerUserListFields => ['uid', 'cn', 'mail'],
            CustomerUserSearchFields => ['uid', 'cn', 'mail'],
            CustomerUserNameFields => ['givenname', 'sn'],
            Map => [
                # note: Login, Email and CustomerID needed!
                # var, frontend, storage, shown, required, storage-type
                [ 'UserSalutation', 'Title', 'title', 1, 0, 'var' ],
                [ 'UserFirstname', 'Firstname', 'givenname', 1, 1, 'var' ],
                [ 'UserLastname', 'Lastname', 'sn', 1, 1, 'var' ],
                [ 'UserLogin', 'Login', 'uid', 1, 1, 'var' ],
                [ 'UserEmail', 'Email', 'mail', 1, 1, 'var' ],
                [ 'UserCustomerID', 'CustomerID', 'mail', 0, 1, 'var' ],
                [ 'UserPhone', 'Phone', 'telephonenumber', 1, 0, 'var' ],
                [ 'UserAddress', 'Address', 'postaladdress', 1, 0, 'var' ],
                [ 'UserComment', 'Comment', 'description', 1, 0, 'var' ],
            ],
        };
        [...]

If you want to customize your customer user information, add your new item (or remove it if not needed) to your MAP array like:

                # var, frontend, storage, shown, required, storage-type, http-link
                [ 'UserOrganisation', 'Organisation', 'ou', 1, 0, 'var' ],

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